How to Use Pure JS and PHP for AJAX Requests Like jQuery and Laravel

Learn how to achieve AJAX functionalities using `vanilla JavaScript` and PHP, similar to jQuery and Laravel, with step-by-step instructions.
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Mastering AJAX with Pure JavaScript and PHP

When venturing into web development, many learners often gravitate toward popular libraries and frameworks like jQuery and Laravel. While these tools offer powerful and convenient functionalities, understanding how to perform similar tasks using native JavaScript and PHP can significantly enhance your skills. In this post, we’ll tackle the question of how to handle AJAX requests efficiently without relying on external libraries.

The Problem

You might have previously used jQuery and Laravel for making sophisticated asynchronous requests. Here's a recap of how that process looked:

[[See Video to Reveal this Text or Code Snippet]]

And how the server-side handled these requests:

[[See Video to Reveal this Text or Code Snippet]]

Now you’re probably wondering how to replicate this behavior using raw JavaScript and PHP. The challenge lies in the fact that while XMLHttpRequest can effectively send and retrieve data, you need a structured way to send multiple pieces of information in response to a single request.

The Solution

Let’s break down the steps to achieve the same outcomes using vanilla JavaScript and PHP:

Step 1: Prepare the PHP File

First, you'll want to create a PHP file that will serve your data in JSON format. Here's a sample implementation:

[[See Video to Reveal this Text or Code Snippet]]

In this case, we're creating a simple object $product, encoding it as JSON, and sending it back to the client.

Step 2: Set Up Your HTML Structure

In your HTML file, you'll need elements where you want to display the data returned from the PHP file. Here’s how you can set that up:

[[See Video to Reveal this Text or Code Snippet]]

Explanation of the JavaScript Code

Creating XMLHttpRequest: The XMLHttpRequest object is initiated to handle the AJAX requests.

Ready State Check: You monitor the readyState and status of the request. A ready state of 4 indicates that the request is complete, while 200 signifies a successful response.

Parsing JSON Response: The response text received from the server is parsed using JSON.parse(), converting it into a JavaScript object.

Updating HTML: Finally, the corresponding HTML elements are updated with the data from the parsed JSON.

Conclusion

By mastering these native techniques in JavaScript and PHP, you can enhance your understanding and expand your capabilities as a web developer. With a solid grasp of AJAX through pure JavaScript and PHP, you can effectively manage dynamic interactions on your web pages without relying on frameworks.

Now you're ready to build dynamic web applications with the confidence of using pure code! Happy coding!