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The Ultimate Guide to AJAX

3. A Practical Vanilla JavaScript Example: Dynamic Form Submission

Let’s build a simple contact form that submits data without a page reload using vanilla JavaScript. We’ll use jQuery to simplify the AJAX interface and keep the code clean and easy to read.

First, we need to enqueue and localize the script in your index.html file:

“`html


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Next, we create a simple form element with a button action:

“`html








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Now, we define an AJAX handler function to handle the form submission:

“`html