Javascript
How To Use Jquery Correctly In WordPress
Declare jquery as a dependency and wrap your code in a function. WordPress runs jQuery in noConflict mode, so $ is not available globally.
How To Load Javascript With Defer Or Async In WordPress 6.3+
Since WordPress 6.3 you can pass an array as the fifth argument of wp_enqueue_script() to set the loading strategy.
How To Make An Ajax Request In WordPress With Admin-Ajax.php
Register a PHP handler with the wp_ajax_ and wp_ajax_nopriv_ hooks, then call it from JavaScript with fetch(). This example requires the lotgrafixData object from the wp_localize_script() post.
How To Pass Php Data To Javascript In WordPress With Wp_Localize_Script
Use wp_localize_script() to expose PHP values such as the AJAX URL, a nonce or the site URL to your JS file.
How To Load A Javascript File Only On A Specific Page In WordPress
Wrap wp_enqueue_script() in a conditional tag so the file loads only where it is needed.
