JQuery issue “TypeError: $.getJSON is not a functi

I've got this piece of code:

$(document).ready(function () {
    $.getJSON('http://localhost:5000/', function (response) {
        console.log(response);
    });
});

localhost:5000 is a flask/python script that returns a json like:

{
  "data": [
    0, 
    0, 
    0,

And I'm getting:

$.getJSON is not a function TypeError: $.getJSON is not a function

Any tips where I can start untangling the whoolball?

Thanks!

Edit:

HTML:

<!DOCTYPE html>
<html>

<head>
    <script src="https://code.jquery.com/jquery-3.1.1.slim.min.js"></script>
    <script src="lib/main.js"></script>
</head>

<body>
</body>

</html>

lib/main.js is where the document.ready is located.

Thanks!

标签： javascript jquery slim-jquery

3条回答

啃猪蹄的小仙女

2楼-- · 2019-01-19 10:33

Thus happens commonly when migrating codebases from jQuery v1.x+ to v3.0+ as jQuery updated/deprecated/discontinued some of it's API.

I recommend using jQuery Migrate which will address this, along with other issues:

Get it here via CDN:

https://cdnjs.com/libraries/jquery-migrate

If using Gulp/Grunt, you can import into your project using

npm install --save jquery jquery-migrate

Github Repository - https://github.com/jquery/jquery-migrate

Read more about jQuery v3.0+.. http://blog.jquery.com/2016/06/09/jquery-3-0-final-released/

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兄弟一词,经得起流年.

3楼-- · 2019-01-19 10:35

function cinta(){
$.getJSON('http://localhost:5000/', function (response) {
        console.log(response);
    });
}
cinta();
$(document).ready(function () {
  console.log('yesss');  
});

This work for me in python flask

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男人必须洒脱

4楼-- · 2019-01-19 10:56

You seem to be using slim version of jquery which does not have the method getJSON thats why you are getting this error.

Please use the full version of jquery instead from the below link.

https://code.jquery.com/jquery-3.1.1.min.js

Slim version of jquery excludes ajax, animations effects etc

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JQuery issue “TypeError: $.getJSON is not a functi

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