So before we enqueue our own version of jQuery, we must de-register the WP version. We could simply enqueue it, but then there would be two copies/versions of jQuery loaded on the page (yours and WP’s). Now, let’s say that we want to use a version of jQuery that is different than the one that is included with WordPress. So when we declare our custom script, we set the $deps parameter equal to array('jquery') and call it a day. Wp_enqueue_script( $handle, $src, $deps, $ver, $in_footer ) For reference, here are the parameters used for wp_enqueue_script(): ![]() WordPress provides an enqueue script function to ensure that everything works properly. It is a systematic method to load WordPress jQuery/Javascript by knowing their dependencies. Sorry, forgot to remove jQuery from the wpenqueuescript () call. In wpenqueuescript it's not necessary, because WP already knows the dependencies from before. This declares jQuery as a dependency for my-custom-script, so WordPress automatically will load its own copy of jQuery. Enqueueing is the most convenient and CMS-friendly way to add scripts/jQuery to WordPress. It tells WordPress that jQuery is needed for this script to run, so it'll be loaded accordingly. For a regular HTML website, we would use the <. '/js/my-custom-script.js', array('jquery'), null, true) One of the simplest ways to add jQuery scripts to WordPress is via a process called enqueueing. The smart loading requires that you specify jquery as the $deps parameter when enqueuing your other JavaScript files, for example: wp_enqueue_script('my-custom-script', get_template_directory_uri(). These days, WordPress automatically loads jQuery for you, whenever some other script requires it. Much has changed with WP script loading since this article was posted. ![]() How was your plugin to know you already had it loaded? For one thing, some plugins use the jQuery library, and they are going to load it as well. JS - (br-tagging.js) $(window).If you want, you can just download jQuery, put it on your server and link to it from your header.php file in the section. The javascript file and corresponding HTML for the button are as follows: The js file is located in the child theme's root directory. WP Enqueue Syntax and Params Enqueueing scripts really isn’t that difficult. Now, let's say that we want to use a version of jQuery that is different than the one that is included with WordPress. This declares jQuery as a dependency for my-custom-script, so WordPress automatically will load its own copy of jQuery. Even more awesome, using the enqueue method makes WordPress itself insert the script tags into the header and footer where they belong automagically, loading them without having to input them on each page separately. I think for OP's use case wpenqueuestyle ( 'wp-jquery-ui-dialog' ) is all that was needed. wpenqueuescript ( handle, src, deps, ver, infooter ) So when we declare our custom script, we set the deps parameter equal to array ('jquery') and call it a day. ![]() ![]() Enqueuing Scripts and Styles The proper way to add scripts and styles to your theme is to enqueue them in the functions.php files. You can find then in wp-includes\css and enqueue using wpenqueuestyle (). When enqueuing a script or stylesheet, WordPress creates a handle and path to find your file and any dependencies it may have (like jQuery) and then you will use a hook that will insert your scripts and stylesheets. When calling jQuery in a WordPress theme or plugin, users must first enqueue their own jQuery scripts in WordPress. WordPress themes and plugins can be called jQuery in their own plugins or themes simply by selecting jQuery in the code. All that it does is add an onclick function to a button that alerts "Hello World!". Recent WordPress packages come with the CSS in the box. The WordPress platform includes jQuery and a few essential jQuery libraries. I have a simple javascript file named br-tagging.js that I am trying to enqueue in Wordpress.
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