Return a variable and pass it to view












1















I have a sails.js web application and I have a crawling function that get the title of a website then I want to return that value to the view.



I tried to assign the function to a variable and return it but always it says undefined.



const Crawler = require("crawler");

let c = new Crawler({
maxConnections : 10,
callback : function (error, res, done) {
if(error){
console.log(error);
}else{
let $ = res.$;
let title = $("title").text();
}
return title
done();
}
});

module.exports = {
testapi: function (req, res) {
title = c.queue('http://www.agounichams.ml');
sails.log(title);
return res.send(c.title);
}
}









share|improve this question




















  • 1





    Possible duplicate of How do I return the response from an asynchronous call?

    – dNitro
    Dec 30 '18 at 9:47
















1















I have a sails.js web application and I have a crawling function that get the title of a website then I want to return that value to the view.



I tried to assign the function to a variable and return it but always it says undefined.



const Crawler = require("crawler");

let c = new Crawler({
maxConnections : 10,
callback : function (error, res, done) {
if(error){
console.log(error);
}else{
let $ = res.$;
let title = $("title").text();
}
return title
done();
}
});

module.exports = {
testapi: function (req, res) {
title = c.queue('http://www.agounichams.ml');
sails.log(title);
return res.send(c.title);
}
}









share|improve this question




















  • 1





    Possible duplicate of How do I return the response from an asynchronous call?

    – dNitro
    Dec 30 '18 at 9:47














1












1








1








I have a sails.js web application and I have a crawling function that get the title of a website then I want to return that value to the view.



I tried to assign the function to a variable and return it but always it says undefined.



const Crawler = require("crawler");

let c = new Crawler({
maxConnections : 10,
callback : function (error, res, done) {
if(error){
console.log(error);
}else{
let $ = res.$;
let title = $("title").text();
}
return title
done();
}
});

module.exports = {
testapi: function (req, res) {
title = c.queue('http://www.agounichams.ml');
sails.log(title);
return res.send(c.title);
}
}









share|improve this question
















I have a sails.js web application and I have a crawling function that get the title of a website then I want to return that value to the view.



I tried to assign the function to a variable and return it but always it says undefined.



const Crawler = require("crawler");

let c = new Crawler({
maxConnections : 10,
callback : function (error, res, done) {
if(error){
console.log(error);
}else{
let $ = res.$;
let title = $("title").text();
}
return title
done();
}
});

module.exports = {
testapi: function (req, res) {
title = c.queue('http://www.agounichams.ml');
sails.log(title);
return res.send(c.title);
}
}






javascript sails.js






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edited Dec 30 '18 at 14:00









bahman parsamanesh

1,537519




1,537519










asked Dec 30 '18 at 9:35









Chams AgouniChams Agouni

1066




1066








  • 1





    Possible duplicate of How do I return the response from an asynchronous call?

    – dNitro
    Dec 30 '18 at 9:47














  • 1





    Possible duplicate of How do I return the response from an asynchronous call?

    – dNitro
    Dec 30 '18 at 9:47








1




1





Possible duplicate of How do I return the response from an asynchronous call?

– dNitro
Dec 30 '18 at 9:47





Possible duplicate of How do I return the response from an asynchronous call?

– dNitro
Dec 30 '18 at 9:47












1 Answer
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Shouldn't it be
title = await c.queue('http://www.agounichams.ml');
?



And declaring title just as that, without a const, let, etc makes it global if that is intended.






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    1 Answer
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    1 Answer
    1






    active

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    active

    oldest

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    active

    oldest

    votes









    2














    Shouldn't it be
    title = await c.queue('http://www.agounichams.ml');
    ?



    And declaring title just as that, without a const, let, etc makes it global if that is intended.






    share|improve this answer




























      2














      Shouldn't it be
      title = await c.queue('http://www.agounichams.ml');
      ?



      And declaring title just as that, without a const, let, etc makes it global if that is intended.






      share|improve this answer


























        2












        2








        2







        Shouldn't it be
        title = await c.queue('http://www.agounichams.ml');
        ?



        And declaring title just as that, without a const, let, etc makes it global if that is intended.






        share|improve this answer













        Shouldn't it be
        title = await c.queue('http://www.agounichams.ml');
        ?



        And declaring title just as that, without a const, let, etc makes it global if that is intended.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Dec 30 '18 at 10:22









        Robertino VasilescuRobertino Vasilescu

        61110




        61110






























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