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WordPress developers know that jQuery in WordPress runs in noConflict mode. This means when you enqueue the script that is dependent on jQuery in WordPress, you cannot use the common $ alias. To solve this issue, you can place your code using the $ shortcut inside a noConflict wrapper.
Here is an example.
- in PHP file
<?php
/**
* enqueue jquery library from WordPress
*/
wp_enqueue_script("jquery");
?>- in JS file
(function($) {
// print out $
console.log($);
})( jQuery );If you need to load the script in the header after the document is ready, you will use the code below.
jQuery(document).ready(function( $ ) {
// print out $
console.log($);
});It is an issue that some new WordPress developers don’t aware of it.
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