Table of Contents
Dynamically Loading JavaScript Files
Loading JavaScript Files Dynamically
Handling Load Events
Events for Script Element
Mainstream JavaScript Library Approaches
Example
Conclusion
Home Web Front-end JS Tutorial How Can I Dynamically Load JavaScript Files and Handle Their Load Events?

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

Nov 17, 2024 am 03:05 AM

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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