What is jQuery dialog?

jQuery Dialog is a powerful JavaScript popup window built-in the jQuery user interface library (jQuery ui) and it’s mostly used to show an alert message box or simple html forms such as log in/signup forms.

What is jQuery extension?

jQuery Extension. Many features of the Coveo JavaScript Search Framework are accessed through a jQuery extension named coveo. This extension provides ways to initialize components and work with them as well as a certain number of global utility calls. The coveo extension can be invoked on a jQuery object resulting from the evaluation of a selector.

What is jQuery file?

Compressed and uncompressed copies of jQuery files are available. The uncompressed file is best used during development or debugging; the compressed file saves bandwidth and improves performance in production.

How to populate dropdown list using jquey Ajax?

Table structure

Configuration. Create a config.php to define database connection.

HTML. Another dropdown shows the users names which are filled with jQuery based on the department name selection from the first dropdown element.

PHP. Create a new getUsers.php file.

jQuery. Sending AJAX request when an option selected from the first drop-down.

Demo

Conclusion.

What is the jqxhr object?

The jqXHR (jQuery XMLHttpRequest) replaces the browser native XMLHttpRequest object.

jQuery wraps the browser native XMLHttpRequest object with a superset API.

The jQuery XMLHttpRequest (jqXHR) object is returned by the$.ajax () function.

The jqXHR object simulates native XHR functionality where possible.