Starting in WordPress 2.1 (if I remember correctly), the awesome folks at Automattic gave us the even awesomer function of wp_enqueue_script.
Before that, it was every plugin or theme author for himself. If you wanted to add in a script, it was hard-coded in.
As you might imagine, this presented a ton of problems. Scripts were loaded twice, out of order, or even when they weren’t needed at all.
Furthermore, some themes and plugins had the JavaScript embedded within the plugin’s or theme’s PHP file just to capture a few PHP variables. Not good! In order to add scripts properly to JavaScript, you must always keep your PHP and JavaScript separate. And by separate, I mean separate files. There’s just no excuse anymore (I’ll get into this in Part 2 of this series).
The wp_enqueue_script function is the first step in loading your scripts properly. Not only […]
Original post by Ronald Huereca
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