How to enable certain fields on mutliselect drop down selection in rails form

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I have form which rails form which contains a multiselect dropdown. Now based on the dropdown values selected I want to enable certain fields

This is my form view

  <div class="field"> 9.

    <label> Types of Packaging Water Brand Sold : </label>

    <select class="form-control" id="type_of_brand" multiple="multiple" 

    name="user[type_of_brand]">

      <option value="Bisleri">Bisleri</option>

      <option value="Aquafina">Aquafina</option>

      <option value="Kinley">Kinley</option>

      <option value="Bindu">Bindu</option>

      <option value="local">Local</option>

      <option value="others">Others</option>

    </select>

  </div><br/>



  <div class="field"> 

    <div id="Bisleri" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][Bisleri][half_litre]"> 

      Half litres: </input>

      <input type="number" name="users[cost][Bisleri][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][Bisleri][half_litre]"> 2 

      litres: <input>

    </div>

    <div id="Aquafina" class ="hidden">

      <label> Cost of Aquafina : </label>

      <input type="number" name="users[cost][Aquafina][half_litre]"> 

      Half litres: </input>

      <input type="number" name="users[cost][Aquafina][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][Aquafina][half_litre]"> 2 

      litres: <input>

    </div>

    <div id="Kinley" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][Kinley][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][Kinley][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][Kinley][half_litre]"> 2 

      litres: <input>

    </div>

    <div id="Bindu" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][Bindu][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][Bindu][half_litre]"> 1 

     litres: <input>

      <input type="number" name="users[cost][Bindu][half_litre]"> 2 

    litres: <input>

     </div>

    <div id="local" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][local][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][local][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][local][half_litre]"> 2 

    litres: <input>

    </div>

    <div id="others" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][others][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][others][half_litre]"> 1 

      litres: <input>

       <input type="number" name="users[cost][others][half_litre]"> 2 

      litres: <input>

    </div>

  </div>

Here in the type_of_brand id field which is a multiselect, based on the selected value, I want to enable the hidden fields

So I wrote my javascript as follows:

 <script type="text/javascript">

   $(function() {

   $("#type_of_brand").on("change", function() {

   var select_val = $(this).val();

   console.log(select_val);

   var data = "#" + select_val"

    $(data).removeClass("hidden");

  });

  });

</script>

But it doesn't seem to do anything.The problem here is, it enables only one field, whichever is selected first

Any help!

edited Jan 4 at 14:47

asked Jan 4 at 14:13

Mahesh Mesta

3121619

add a comment |

I have form which rails form which contains a multiselect dropdown. Now based on the dropdown values selected I want to enable certain fields

This is my form view

  <div class="field"> 9.

    <label> Types of Packaging Water Brand Sold : </label>

    <select class="form-control" id="type_of_brand" multiple="multiple" 

    name="user[type_of_brand]">

      <option value="Bisleri">Bisleri</option>

      <option value="Aquafina">Aquafina</option>

      <option value="Kinley">Kinley</option>

      <option value="Bindu">Bindu</option>

      <option value="local">Local</option>

      <option value="others">Others</option>

    </select>

  </div><br/>



  <div class="field"> 

    <div id="Bisleri" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][Bisleri][half_litre]"> 

      Half litres: </input>

      <input type="number" name="users[cost][Bisleri][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][Bisleri][half_litre]"> 2 

      litres: <input>

    </div>

    <div id="Aquafina" class ="hidden">

      <label> Cost of Aquafina : </label>

      <input type="number" name="users[cost][Aquafina][half_litre]"> 

      Half litres: </input>

      <input type="number" name="users[cost][Aquafina][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][Aquafina][half_litre]"> 2 

      litres: <input>

    </div>

    <div id="Kinley" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][Kinley][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][Kinley][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][Kinley][half_litre]"> 2 

      litres: <input>

    </div>

    <div id="Bindu" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][Bindu][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][Bindu][half_litre]"> 1 

     litres: <input>

      <input type="number" name="users[cost][Bindu][half_litre]"> 2 

    litres: <input>

     </div>

    <div id="local" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][local][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][local][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][local][half_litre]"> 2 

    litres: <input>

    </div>

    <div id="others" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][others][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][others][half_litre]"> 1 

      litres: <input>

       <input type="number" name="users[cost][others][half_litre]"> 2 

      litres: <input>

    </div>

  </div>

Here in the type_of_brand id field which is a multiselect, based on the selected value, I want to enable the hidden fields

So I wrote my javascript as follows:

 <script type="text/javascript">

   $(function() {

   $("#type_of_brand").on("change", function() {

   var select_val = $(this).val();

   console.log(select_val);

   var data = "#" + select_val"

    $(data).removeClass("hidden");

  });

  });

</script>

But it doesn't seem to do anything.The problem here is, it enables only one field, whichever is selected first

Any help!

edited Jan 4 at 14:47

asked Jan 4 at 14:13

Mahesh Mesta

3121619

add a comment |

I have form which rails form which contains a multiselect dropdown. Now based on the dropdown values selected I want to enable certain fields

This is my form view

  <div class="field"> 9.

    <label> Types of Packaging Water Brand Sold : </label>

    <select class="form-control" id="type_of_brand" multiple="multiple" 

    name="user[type_of_brand]">

      <option value="Bisleri">Bisleri</option>

      <option value="Aquafina">Aquafina</option>

      <option value="Kinley">Kinley</option>

      <option value="Bindu">Bindu</option>

      <option value="local">Local</option>

      <option value="others">Others</option>

    </select>

  </div><br/>



  <div class="field"> 

    <div id="Bisleri" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][Bisleri][half_litre]"> 

      Half litres: </input>

      <input type="number" name="users[cost][Bisleri][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][Bisleri][half_litre]"> 2 

      litres: <input>

    </div>

    <div id="Aquafina" class ="hidden">

      <label> Cost of Aquafina : </label>

      <input type="number" name="users[cost][Aquafina][half_litre]"> 

      Half litres: </input>

      <input type="number" name="users[cost][Aquafina][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][Aquafina][half_litre]"> 2 

      litres: <input>

    </div>

    <div id="Kinley" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][Kinley][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][Kinley][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][Kinley][half_litre]"> 2 

      litres: <input>

    </div>

    <div id="Bindu" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][Bindu][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][Bindu][half_litre]"> 1 

     litres: <input>

      <input type="number" name="users[cost][Bindu][half_litre]"> 2 

    litres: <input>

     </div>

    <div id="local" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][local][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][local][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][local][half_litre]"> 2 

    litres: <input>

    </div>

    <div id="others" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][others][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][others][half_litre]"> 1 

      litres: <input>

       <input type="number" name="users[cost][others][half_litre]"> 2 

      litres: <input>

    </div>

  </div>

Here in the type_of_brand id field which is a multiselect, based on the selected value, I want to enable the hidden fields

So I wrote my javascript as follows:

 <script type="text/javascript">

   $(function() {

   $("#type_of_brand").on("change", function() {

   var select_val = $(this).val();

   console.log(select_val);

   var data = "#" + select_val"

    $(data).removeClass("hidden");

  });

  });

</script>

But it doesn't seem to do anything.The problem here is, it enables only one field, whichever is selected first

Any help!

edited Jan 4 at 14:47

asked Jan 4 at 14:13

Mahesh Mesta

3121619

I have form which rails form which contains a multiselect dropdown. Now based on the dropdown values selected I want to enable certain fields

This is my form view

  <div class="field"> 9.

    <label> Types of Packaging Water Brand Sold : </label>

    <select class="form-control" id="type_of_brand" multiple="multiple" 

    name="user[type_of_brand]">

      <option value="Bisleri">Bisleri</option>

      <option value="Aquafina">Aquafina</option>

      <option value="Kinley">Kinley</option>

      <option value="Bindu">Bindu</option>

      <option value="local">Local</option>

      <option value="others">Others</option>

    </select>

  </div><br/>



  <div class="field"> 

    <div id="Bisleri" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][Bisleri][half_litre]"> 

      Half litres: </input>

      <input type="number" name="users[cost][Bisleri][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][Bisleri][half_litre]"> 2 

      litres: <input>

    </div>

    <div id="Aquafina" class ="hidden">

      <label> Cost of Aquafina : </label>

      <input type="number" name="users[cost][Aquafina][half_litre]"> 

      Half litres: </input>

      <input type="number" name="users[cost][Aquafina][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][Aquafina][half_litre]"> 2 

      litres: <input>

    </div>

    <div id="Kinley" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][Kinley][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][Kinley][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][Kinley][half_litre]"> 2 

      litres: <input>

    </div>

    <div id="Bindu" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][Bindu][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][Bindu][half_litre]"> 1 

     litres: <input>

      <input type="number" name="users[cost][Bindu][half_litre]"> 2 

    litres: <input>

     </div>

    <div id="local" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][local][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][local][half_litre]"> 1 

      litres: <input>

      <input type="number" name="users[cost][local][half_litre]"> 2 

    litres: <input>

    </div>

    <div id="others" class ="hidden">

      <label> Cost of Bisleri : </label>

      <input type="number" name="users[cost][others][half_litre]"> Half 

      litres: </input>

      <input type="number" name="users[cost][others][half_litre]"> 1 

      litres: <input>

       <input type="number" name="users[cost][others][half_litre]"> 2 

      litres: <input>

    </div>

  </div>

Here in the type_of_brand id field which is a multiselect, based on the selected value, I want to enable the hidden fields

So I wrote my javascript as follows:

 <script type="text/javascript">

   $(function() {

   $("#type_of_brand").on("change", function() {

   var select_val = $(this).val();

   console.log(select_val);

   var data = "#" + select_val"

    $(data).removeClass("hidden");

  });

  });

</script>

But it doesn't seem to do anything.The problem here is, it enables only one field, whichever is selected first

Any help!

javascript html ruby-on-rails

edited Jan 4 at 14:47

asked Jan 4 at 14:13

Mahesh Mesta

3121619

edited Jan 4 at 14:47

asked Jan 4 at 14:13

Mahesh Mesta

3121619

edited Jan 4 at 14:47

asked Jan 4 at 14:13

Mahesh Mesta

3121619

asked Jan 4 at 14:13

Mahesh Mesta

3121619

asked Jan 4 at 14:13

Mahesh Mesta

3121619

add a comment |

1 Answer
1

active

oldest

votes

The issue is that $(this).val() returns an array of selected values for multiple selects so you need to iterate it.

$(function() {

  $("#type_of_brand").on("change", function() {

    var selected_values = $(this).val();



    // add hidden to divs

    $(".field > div").addClass("hidden");



    // remove hidden from selected divs

    selected_values.forEach(function(val) {

      var id = "#" + val;

      $(id).removeClass("hidden");

    });

  });

});

.hidden {

  display: none;

}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

<div class="field"> 9.

  <label> Types of Packaging Water Brand Sold : </label>

  <select class="form-control" id="type_of_brand" multiple="multiple" name="user[type_of_brand]">

    <option value="Bisleri">Bisleri</option>

    <option value="Aquafina">Aquafina</option>

    <option value="Kinley">Kinley</option>

    <option value="Bindu">Bindu</option>

    <option value="local">Local</option>

    <option value="others">Others</option>

  </select>

</div><br/>



<div class="field">

  <div id="Bisleri" class="hidden">

    <label> Cost of Bisleri : </label>

    <input type="number" name="users[cost][Bisleri][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Bisleri][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Bisleri][half_litre]"> 2 litres: <input>

  </div>

  <div id="Aquafina" class="hidden">

    <label> Cost of Aquafina : </label>

    <input type="number" name="users[cost][Aquafina][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Aquafina][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Aquafina][half_litre]"> 2 litres: <input>

  </div>

  <div id="Kinley" class="hidden">

    <label> Cost of Kinley : </label>

    <input type="number" name="users[cost][Kinley][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Kinley][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Kinley][half_litre]"> 2 litres: <input>

  </div>

  <div id="Bindu" class="hidden">

    <label> Cost of Bindu : </label>

    <input type="number" name="users[cost][Bindu][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Bindu][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Bindu][half_litre]"> 2 litres: <input>

  </div>

  <div id="local" class="hidden">

    <label> Cost of Local : </label>

    <input type="number" name="users[cost][local][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][local][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][local][half_litre]"> 2 litres: <input>

  </div>

  <div id="others" class="hidden">

    <label> Cost of Others : </label>

    <input type="number" name="users[cost][others][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][others][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][others][half_litre]"> 2 litres: <input>

  </div>

</div>

answered Jan 4 at 15:21

luisenrike

1,884919

What if the user select an option and unselects the option, will the particular field also hide on unseletcion?

– Mahesh Mesta
Jan 4 at 15:53

yes, you can run the code snippet and try it

– luisenrike
Jan 4 at 16:46

add a comment |

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1 Answer
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1 Answer
1

active

oldest

votes

The issue is that $(this).val() returns an array of selected values for multiple selects so you need to iterate it.

$(function() {

  $("#type_of_brand").on("change", function() {

    var selected_values = $(this).val();



    // add hidden to divs

    $(".field > div").addClass("hidden");



    // remove hidden from selected divs

    selected_values.forEach(function(val) {

      var id = "#" + val;

      $(id).removeClass("hidden");

    });

  });

});

.hidden {

  display: none;

}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

<div class="field"> 9.

  <label> Types of Packaging Water Brand Sold : </label>

  <select class="form-control" id="type_of_brand" multiple="multiple" name="user[type_of_brand]">

    <option value="Bisleri">Bisleri</option>

    <option value="Aquafina">Aquafina</option>

    <option value="Kinley">Kinley</option>

    <option value="Bindu">Bindu</option>

    <option value="local">Local</option>

    <option value="others">Others</option>

  </select>

</div><br/>



<div class="field">

  <div id="Bisleri" class="hidden">

    <label> Cost of Bisleri : </label>

    <input type="number" name="users[cost][Bisleri][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Bisleri][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Bisleri][half_litre]"> 2 litres: <input>

  </div>

  <div id="Aquafina" class="hidden">

    <label> Cost of Aquafina : </label>

    <input type="number" name="users[cost][Aquafina][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Aquafina][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Aquafina][half_litre]"> 2 litres: <input>

  </div>

  <div id="Kinley" class="hidden">

    <label> Cost of Kinley : </label>

    <input type="number" name="users[cost][Kinley][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Kinley][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Kinley][half_litre]"> 2 litres: <input>

  </div>

  <div id="Bindu" class="hidden">

    <label> Cost of Bindu : </label>

    <input type="number" name="users[cost][Bindu][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Bindu][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Bindu][half_litre]"> 2 litres: <input>

  </div>

  <div id="local" class="hidden">

    <label> Cost of Local : </label>

    <input type="number" name="users[cost][local][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][local][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][local][half_litre]"> 2 litres: <input>

  </div>

  <div id="others" class="hidden">

    <label> Cost of Others : </label>

    <input type="number" name="users[cost][others][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][others][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][others][half_litre]"> 2 litres: <input>

  </div>

</div>

answered Jan 4 at 15:21

luisenrike

1,884919

What if the user select an option and unselects the option, will the particular field also hide on unseletcion?

– Mahesh Mesta
Jan 4 at 15:53

yes, you can run the code snippet and try it

– luisenrike
Jan 4 at 16:46

add a comment |

The issue is that $(this).val() returns an array of selected values for multiple selects so you need to iterate it.

$(function() {

  $("#type_of_brand").on("change", function() {

    var selected_values = $(this).val();



    // add hidden to divs

    $(".field > div").addClass("hidden");



    // remove hidden from selected divs

    selected_values.forEach(function(val) {

      var id = "#" + val;

      $(id).removeClass("hidden");

    });

  });

});

.hidden {

  display: none;

}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

<div class="field"> 9.

  <label> Types of Packaging Water Brand Sold : </label>

  <select class="form-control" id="type_of_brand" multiple="multiple" name="user[type_of_brand]">

    <option value="Bisleri">Bisleri</option>

    <option value="Aquafina">Aquafina</option>

    <option value="Kinley">Kinley</option>

    <option value="Bindu">Bindu</option>

    <option value="local">Local</option>

    <option value="others">Others</option>

  </select>

</div><br/>



<div class="field">

  <div id="Bisleri" class="hidden">

    <label> Cost of Bisleri : </label>

    <input type="number" name="users[cost][Bisleri][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Bisleri][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Bisleri][half_litre]"> 2 litres: <input>

  </div>

  <div id="Aquafina" class="hidden">

    <label> Cost of Aquafina : </label>

    <input type="number" name="users[cost][Aquafina][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Aquafina][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Aquafina][half_litre]"> 2 litres: <input>

  </div>

  <div id="Kinley" class="hidden">

    <label> Cost of Kinley : </label>

    <input type="number" name="users[cost][Kinley][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Kinley][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Kinley][half_litre]"> 2 litres: <input>

  </div>

  <div id="Bindu" class="hidden">

    <label> Cost of Bindu : </label>

    <input type="number" name="users[cost][Bindu][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Bindu][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Bindu][half_litre]"> 2 litres: <input>

  </div>

  <div id="local" class="hidden">

    <label> Cost of Local : </label>

    <input type="number" name="users[cost][local][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][local][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][local][half_litre]"> 2 litres: <input>

  </div>

  <div id="others" class="hidden">

    <label> Cost of Others : </label>

    <input type="number" name="users[cost][others][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][others][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][others][half_litre]"> 2 litres: <input>

  </div>

</div>

answered Jan 4 at 15:21

luisenrike

1,884919

What if the user select an option and unselects the option, will the particular field also hide on unseletcion?

– Mahesh Mesta
Jan 4 at 15:53

yes, you can run the code snippet and try it

– luisenrike
Jan 4 at 16:46

add a comment |

The issue is that $(this).val() returns an array of selected values for multiple selects so you need to iterate it.

$(function() {

  $("#type_of_brand").on("change", function() {

    var selected_values = $(this).val();



    // add hidden to divs

    $(".field > div").addClass("hidden");



    // remove hidden from selected divs

    selected_values.forEach(function(val) {

      var id = "#" + val;

      $(id).removeClass("hidden");

    });

  });

});

.hidden {

  display: none;

}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

<div class="field"> 9.

  <label> Types of Packaging Water Brand Sold : </label>

  <select class="form-control" id="type_of_brand" multiple="multiple" name="user[type_of_brand]">

    <option value="Bisleri">Bisleri</option>

    <option value="Aquafina">Aquafina</option>

    <option value="Kinley">Kinley</option>

    <option value="Bindu">Bindu</option>

    <option value="local">Local</option>

    <option value="others">Others</option>

  </select>

</div><br/>



<div class="field">

  <div id="Bisleri" class="hidden">

    <label> Cost of Bisleri : </label>

    <input type="number" name="users[cost][Bisleri][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Bisleri][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Bisleri][half_litre]"> 2 litres: <input>

  </div>

  <div id="Aquafina" class="hidden">

    <label> Cost of Aquafina : </label>

    <input type="number" name="users[cost][Aquafina][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Aquafina][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Aquafina][half_litre]"> 2 litres: <input>

  </div>

  <div id="Kinley" class="hidden">

    <label> Cost of Kinley : </label>

    <input type="number" name="users[cost][Kinley][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Kinley][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Kinley][half_litre]"> 2 litres: <input>

  </div>

  <div id="Bindu" class="hidden">

    <label> Cost of Bindu : </label>

    <input type="number" name="users[cost][Bindu][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Bindu][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Bindu][half_litre]"> 2 litres: <input>

  </div>

  <div id="local" class="hidden">

    <label> Cost of Local : </label>

    <input type="number" name="users[cost][local][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][local][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][local][half_litre]"> 2 litres: <input>

  </div>

  <div id="others" class="hidden">

    <label> Cost of Others : </label>

    <input type="number" name="users[cost][others][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][others][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][others][half_litre]"> 2 litres: <input>

  </div>

</div>

answered Jan 4 at 15:21

luisenrike

1,884919

The issue is that $(this).val() returns an array of selected values for multiple selects so you need to iterate it.

$(function() {

  $("#type_of_brand").on("change", function() {

    var selected_values = $(this).val();



    // add hidden to divs

    $(".field > div").addClass("hidden");



    // remove hidden from selected divs

    selected_values.forEach(function(val) {

      var id = "#" + val;

      $(id).removeClass("hidden");

    });

  });

});

.hidden {

  display: none;

}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

<div class="field"> 9.

  <label> Types of Packaging Water Brand Sold : </label>

  <select class="form-control" id="type_of_brand" multiple="multiple" name="user[type_of_brand]">

    <option value="Bisleri">Bisleri</option>

    <option value="Aquafina">Aquafina</option>

    <option value="Kinley">Kinley</option>

    <option value="Bindu">Bindu</option>

    <option value="local">Local</option>

    <option value="others">Others</option>

  </select>

</div><br/>



<div class="field">

  <div id="Bisleri" class="hidden">

    <label> Cost of Bisleri : </label>

    <input type="number" name="users[cost][Bisleri][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Bisleri][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Bisleri][half_litre]"> 2 litres: <input>

  </div>

  <div id="Aquafina" class="hidden">

    <label> Cost of Aquafina : </label>

    <input type="number" name="users[cost][Aquafina][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Aquafina][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Aquafina][half_litre]"> 2 litres: <input>

  </div>

  <div id="Kinley" class="hidden">

    <label> Cost of Kinley : </label>

    <input type="number" name="users[cost][Kinley][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Kinley][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Kinley][half_litre]"> 2 litres: <input>

  </div>

  <div id="Bindu" class="hidden">

    <label> Cost of Bindu : </label>

    <input type="number" name="users[cost][Bindu][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Bindu][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Bindu][half_litre]"> 2 litres: <input>

  </div>

  <div id="local" class="hidden">

    <label> Cost of Local : </label>

    <input type="number" name="users[cost][local][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][local][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][local][half_litre]"> 2 litres: <input>

  </div>

  <div id="others" class="hidden">

    <label> Cost of Others : </label>

    <input type="number" name="users[cost][others][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][others][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][others][half_litre]"> 2 litres: <input>

  </div>

</div>

$(function() {

  $("#type_of_brand").on("change", function() {

    var selected_values = $(this).val();



    // add hidden to divs

    $(".field > div").addClass("hidden");



    // remove hidden from selected divs

    selected_values.forEach(function(val) {

      var id = "#" + val;

      $(id).removeClass("hidden");

    });

  });

});

.hidden {

  display: none;

}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

<div class="field"> 9.

  <label> Types of Packaging Water Brand Sold : </label>

  <select class="form-control" id="type_of_brand" multiple="multiple" name="user[type_of_brand]">

    <option value="Bisleri">Bisleri</option>

    <option value="Aquafina">Aquafina</option>

    <option value="Kinley">Kinley</option>

    <option value="Bindu">Bindu</option>

    <option value="local">Local</option>

    <option value="others">Others</option>

  </select>

</div><br/>



<div class="field">

  <div id="Bisleri" class="hidden">

    <label> Cost of Bisleri : </label>

    <input type="number" name="users[cost][Bisleri][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Bisleri][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Bisleri][half_litre]"> 2 litres: <input>

  </div>

  <div id="Aquafina" class="hidden">

    <label> Cost of Aquafina : </label>

    <input type="number" name="users[cost][Aquafina][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Aquafina][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Aquafina][half_litre]"> 2 litres: <input>

  </div>

  <div id="Kinley" class="hidden">

    <label> Cost of Kinley : </label>

    <input type="number" name="users[cost][Kinley][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Kinley][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Kinley][half_litre]"> 2 litres: <input>

  </div>

  <div id="Bindu" class="hidden">

    <label> Cost of Bindu : </label>

    <input type="number" name="users[cost][Bindu][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Bindu][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Bindu][half_litre]"> 2 litres: <input>

  </div>

  <div id="local" class="hidden">

    <label> Cost of Local : </label>

    <input type="number" name="users[cost][local][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][local][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][local][half_litre]"> 2 litres: <input>

  </div>

  <div id="others" class="hidden">

    <label> Cost of Others : </label>

    <input type="number" name="users[cost][others][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][others][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][others][half_litre]"> 2 litres: <input>

  </div>

</div>

$(function() {

  $("#type_of_brand").on("change", function() {

    var selected_values = $(this).val();



    // add hidden to divs

    $(".field > div").addClass("hidden");



    // remove hidden from selected divs

    selected_values.forEach(function(val) {

      var id = "#" + val;

      $(id).removeClass("hidden");

    });

  });

});

.hidden {

  display: none;

}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

<div class="field"> 9.

  <label> Types of Packaging Water Brand Sold : </label>

  <select class="form-control" id="type_of_brand" multiple="multiple" name="user[type_of_brand]">

    <option value="Bisleri">Bisleri</option>

    <option value="Aquafina">Aquafina</option>

    <option value="Kinley">Kinley</option>

    <option value="Bindu">Bindu</option>

    <option value="local">Local</option>

    <option value="others">Others</option>

  </select>

</div><br/>



<div class="field">

  <div id="Bisleri" class="hidden">

    <label> Cost of Bisleri : </label>

    <input type="number" name="users[cost][Bisleri][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Bisleri][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Bisleri][half_litre]"> 2 litres: <input>

  </div>

  <div id="Aquafina" class="hidden">

    <label> Cost of Aquafina : </label>

    <input type="number" name="users[cost][Aquafina][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Aquafina][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Aquafina][half_litre]"> 2 litres: <input>

  </div>

  <div id="Kinley" class="hidden">

    <label> Cost of Kinley : </label>

    <input type="number" name="users[cost][Kinley][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Kinley][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Kinley][half_litre]"> 2 litres: <input>

  </div>

  <div id="Bindu" class="hidden">

    <label> Cost of Bindu : </label>

    <input type="number" name="users[cost][Bindu][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][Bindu][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][Bindu][half_litre]"> 2 litres: <input>

  </div>

  <div id="local" class="hidden">

    <label> Cost of Local : </label>

    <input type="number" name="users[cost][local][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][local][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][local][half_litre]"> 2 litres: <input>

  </div>

  <div id="others" class="hidden">

    <label> Cost of Others : </label>

    <input type="number" name="users[cost][others][half_litre]"> Half litres: </input>

    <input type="number" name="users[cost][others][half_litre]"> 1 litres: <input>

    <input type="number" name="users[cost][others][half_litre]"> 2 litres: <input>

  </div>

</div>

answered Jan 4 at 15:21

luisenrike

1,884919

answered Jan 4 at 15:21

luisenrike

1,884919

answered Jan 4 at 15:21

luisenrike

1,884919

answered Jan 4 at 15:21

luisenrike

1,884919

What if the user select an option and unselects the option, will the particular field also hide on unseletcion?

– Mahesh Mesta
Jan 4 at 15:53

yes, you can run the code snippet and try it

– luisenrike
Jan 4 at 16:46

add a comment |

What if the user select an option and unselects the option, will the particular field also hide on unseletcion?

– Mahesh Mesta
Jan 4 at 15:53

yes, you can run the code snippet and try it

– luisenrike
Jan 4 at 16:46

What if the user select an option and unselects the option, will the particular field also hide on unseletcion?

– Mahesh Mesta
Jan 4 at 15:53

yes, you can run the code snippet and try it

– luisenrike
Jan 4 at 16:46

add a comment |

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