What are the potential pitfalls of using JavaScript within PHP code?

One potential pitfall of using JavaScript within PHP code is that it can lead to messy and hard-to-maintain code, as mixing client-side and server-side logic can become confusing. To solve this issue, it's recommended to separate the JavaScript code into external files and include them in the HTML document where needed. 

// Separate JavaScript code into an external file
// script.js
// alert("Hello, World!");

// Include the JavaScript file in the HTML document
echo '<script src="script.js"></script>';

Keywords

JavaScript PHP code potential pitfalls security vulnerabilities cross-site scripting

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