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I'm trying to send a form's data using jQuery. Serializing and submitting a form with jQuery POST and php. Post php form jquery ajax-1. I'm trying to pass a wordpress plugin some form data via ajax and it works. Accept AJAX call with serialized form data. Using jquery serialize in ajax.

In this example, we’ll talk about serialize(), a popular method of jQuery. The serialize() method serializes a set of input elements into a string of data.

It creates a URL encoded text string by serializing form values. You can select one or more form elements (like input and/or text area), or the form element itself. The serialized values can be used in the URL query string when making an AJAX request.

JQuery website describes this method as it encodes a set of form elements as a string for submission. This is maybe the easiest way to understand what the method does. It sets things up (meaning gets values of input fields, but not only) for you to get the right results when considering form submission.