If you know which script relies on jQuery, you can enqueue that script correctly by adding jQuery as a dependency.
If the “jQuery is not defined” error is caused by jQuery loading after other scripts that depend on it, you can fix the script loading order using WPCode.
First, install and activate the WPCode plugin , or choose the free version called WPCode Lite .
Once activated, go to Code Snippets ” + Add Snippet and click on benin telemarketing data the “Use snippet” button under “Add Your Custom Code (New Snippet)”.
In the code editor, give your snippet a name like “Correct Script Loading Order” and select “PHP Snippet” as the code type.
Then, add the following code to ensure that jQuery is required as a dependency for any custom scripts:
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wp_enqueue_script( 'your-script-handle', get_template_directory_uri() . '/js/your-script.js', array( 'jquery' ), null, true );
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Don't forget to replace “your-script-handle” with a meaningful name to identify your script. And replace '/js/your-script.js' with the actual name of your script file in your theme's /js/ folder.
The array('jquery')code part ensures that jQuery is loaded first.
Once you have added your code, scroll down to the “Insert” options and select “Site Wide Header” to ensure that the script loads in the correct part of your site’s HTML.