Why my AJAX code is not working?

First, you’ve changed your mind about the variable name you are using ( user , username ) half way through your script, so you are going to throw a reference error. Second, you haven’t provided a function (the third argument) to $. post , so you aren’t doing anything (such as displaying it) with the returned data.

Why is AJAX not working chrome?

In the AJAX operation just add: async: false after datatype: “json” , and that should solve your problem. Chrome has issue handling asynchronous calls. Thank you, this resolved my issue.

How can I call from AJAX?

Below are some ways to make Ajax call in JavaScript.

  1. Approach 1: In this approach, we will use the XMLHttpRequest object to make Ajax call.
  2. Approach 2: In this approach, we will use jQuery to make an ajax call.
  3. Approach 3: In this approach, we will use fetch() API which is used to make XMLHttpRequest with the server.

Are AJAX calls blocking?

ajax is asynchronous (i.e. non-blocking) by default, that’s what the A in Ajax means.

How do I start AJAX call in Chrome?

Chrome currently has a solution built in.

  1. Use CTRL+SHIFT+I (or navigate to Current Page Control > Developer > Developer Tools .
  2. From within the developer tools click on the Network button.
  3. Click the “XHR” sub-button.
  4. Initiate an AJAX call .
  5. You will see items begin to show up in the left column under “Resources” .

Does Google Chrome support AJAX?

Ajax is supported in all modern browsers. We suggest using the following browsers: Google Chrome. Mozilla Firefox.

What server supports AJAX?

Following browsers support AJAX:

  • Microsoft Internet Explorer 5 and above.
  • Mozilla Firefox 1.0 and above.
  • Netscape 7.1 and above.
  • Apple Safari 1.2 and above.
  • Opera 7.6 and above.

Is synchronous Ajax deprecated?

The following error occurs during jQuery AJAX call. Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user’s experience.

What is async in Ajax call?

AJAX, which stands for asynchronous JavaScript and XML, is a technique that allows web pages to be updated asynchronously, which means that the browser doesn’t need to reload the entire page when only a small bit of data on the page has changed.