How can I use ElementRef instead of document.getElementById to fetch the nodeList

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0















Currently I am using document.getElementById to fetch the exact checkbox that needs to be checked.



Here is the code:



setTimeout(function () {
this.tradeids = JSON.parse(sessionStorage.getItem('tradeids'));
var x;
for (let objtrade of this.tradeids) {
x = document.getElementById(objtrade);
x.checked = true;
}

this.programIds = JSON.parse(sessionStorage.getItem('programIds'));
var y;
for (let objprogram of this.programIds) {
x = document.getElementById(objprogram);
x.checked = true;
}
}, 100);


}



How can I replace document.getElementbyId with elementRef or any other typescript function.



FYI,
I did use elementRef using querySelector but the log says that nativeElement is undefined.










share|improve this question

























  • (stackoverflow.com/questions/32693061/…) follow this for elementRef i thing you need to also go through with typescript. last one is why you are using querySelector for checkbox other way is there like template-driven or rectiveForm according to me.

    – Abhishek
    Dec 31 '18 at 12:06











  • I tried this but i am not able to get the nodeList. NativeElement is undefined

    – Pratyush Swain
    Jan 2 at 7:55
















0















Currently I am using document.getElementById to fetch the exact checkbox that needs to be checked.



Here is the code:



setTimeout(function () {
this.tradeids = JSON.parse(sessionStorage.getItem('tradeids'));
var x;
for (let objtrade of this.tradeids) {
x = document.getElementById(objtrade);
x.checked = true;
}

this.programIds = JSON.parse(sessionStorage.getItem('programIds'));
var y;
for (let objprogram of this.programIds) {
x = document.getElementById(objprogram);
x.checked = true;
}
}, 100);


}



How can I replace document.getElementbyId with elementRef or any other typescript function.



FYI,
I did use elementRef using querySelector but the log says that nativeElement is undefined.










share|improve this question

























  • (stackoverflow.com/questions/32693061/…) follow this for elementRef i thing you need to also go through with typescript. last one is why you are using querySelector for checkbox other way is there like template-driven or rectiveForm according to me.

    – Abhishek
    Dec 31 '18 at 12:06











  • I tried this but i am not able to get the nodeList. NativeElement is undefined

    – Pratyush Swain
    Jan 2 at 7:55














0












0








0








Currently I am using document.getElementById to fetch the exact checkbox that needs to be checked.



Here is the code:



setTimeout(function () {
this.tradeids = JSON.parse(sessionStorage.getItem('tradeids'));
var x;
for (let objtrade of this.tradeids) {
x = document.getElementById(objtrade);
x.checked = true;
}

this.programIds = JSON.parse(sessionStorage.getItem('programIds'));
var y;
for (let objprogram of this.programIds) {
x = document.getElementById(objprogram);
x.checked = true;
}
}, 100);


}



How can I replace document.getElementbyId with elementRef or any other typescript function.



FYI,
I did use elementRef using querySelector but the log says that nativeElement is undefined.










share|improve this question
















Currently I am using document.getElementById to fetch the exact checkbox that needs to be checked.



Here is the code:



setTimeout(function () {
this.tradeids = JSON.parse(sessionStorage.getItem('tradeids'));
var x;
for (let objtrade of this.tradeids) {
x = document.getElementById(objtrade);
x.checked = true;
}

this.programIds = JSON.parse(sessionStorage.getItem('programIds'));
var y;
for (let objprogram of this.programIds) {
x = document.getElementById(objprogram);
x.checked = true;
}
}, 100);


}



How can I replace document.getElementbyId with elementRef or any other typescript function.



FYI,
I did use elementRef using querySelector but the log says that nativeElement is undefined.







angular checkbox nodelist elementref






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Dec 31 '18 at 12:52









PrakashG

814719




814719










asked Dec 31 '18 at 11:48









Pratyush SwainPratyush Swain

41




41













  • (stackoverflow.com/questions/32693061/…) follow this for elementRef i thing you need to also go through with typescript. last one is why you are using querySelector for checkbox other way is there like template-driven or rectiveForm according to me.

    – Abhishek
    Dec 31 '18 at 12:06











  • I tried this but i am not able to get the nodeList. NativeElement is undefined

    – Pratyush Swain
    Jan 2 at 7:55



















  • (stackoverflow.com/questions/32693061/…) follow this for elementRef i thing you need to also go through with typescript. last one is why you are using querySelector for checkbox other way is there like template-driven or rectiveForm according to me.

    – Abhishek
    Dec 31 '18 at 12:06











  • I tried this but i am not able to get the nodeList. NativeElement is undefined

    – Pratyush Swain
    Jan 2 at 7:55

















(stackoverflow.com/questions/32693061/…) follow this for elementRef i thing you need to also go through with typescript. last one is why you are using querySelector for checkbox other way is there like template-driven or rectiveForm according to me.

– Abhishek
Dec 31 '18 at 12:06





(stackoverflow.com/questions/32693061/…) follow this for elementRef i thing you need to also go through with typescript. last one is why you are using querySelector for checkbox other way is there like template-driven or rectiveForm according to me.

– Abhishek
Dec 31 '18 at 12:06













I tried this but i am not able to get the nodeList. NativeElement is undefined

– Pratyush Swain
Jan 2 at 7:55





I tried this but i am not able to get the nodeList. NativeElement is undefined

– Pratyush Swain
Jan 2 at 7:55












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