How Can I Dynamically Load JavaScript Files and Handle Their Load Events?

Dynamically Loading JavaScript Files

Dynamic JavaScript file loading plays a crucial role in modularizing and optimizing web applications. Mainstream JavaScript libraries like Prototype and jQuery utilize this technique to extend their functionality and improve performance.

Loading JavaScript Files Dynamically

There are two primary methods to dynamically load JavaScript files:

1. AJAX with Eval: Load the script via an AJAX call and evaluate its code using eval. However, this approach is limited by domain restrictions and introduces potential security issues.
2. Script Element: Create a
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