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

Dynamic Loading of JavaScript Files

Dynamically loading JavaScript files offers a convenient solution for on-demand initialization of components and modules. This article explores how popular JavaScript libraries accomplish this and introduces a robust technique for handling the loading event effectively.

Dynamic Loading Methods

Two primary methods are available for dynamic JavaScript file loading:

1. AJAX with eval(): This approach involves making an AJAX call to retrieve the script and then evaluating it using eval(). However, this method is limited by cross-domain restrictions and introduces security risks.
2. Adding a Script Element: By adding a
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