What do you need to know about enqueuing in WordPress?
First we need to enqueue the jQuery script on the web page and localize any PHP values that the jQuery script needs. Second is the actual handling of the AJAX request. This section covers the two major quirks of AJAX in WordPress that trip up experienced coders new to WordPress.
How to enqueue a meta link in WordPress?
Use the function wp_enqueue_script () to get WordPress to insert a meta link to your script in the page’s section. Never hardcode such links in the header template. As a plugin developer, you do not have ready access to the header template, but this rule bears mentioning anyway.
How to link a script to a WordPress page?
You could either link a script with a handle previously registered using the wp_register_script() function, or provide this function with all the parameters necessary to link a script. This is the recommended method of linking JavaScript to a WordPress generated page.
How to correctly enqueue stylesheets and script files in WordPress?
The first parameter tells WordPress when to call the function, and for this, we are going to use wp_enqueue_scripts. Again, we need to place this within the brackets and within single quotation marks. The second parameter tells WordPress which function to call.
Can a script be enqueued from a plugin page?
You cannot enqueue scripts directly from your plugin code page when it is loaded. Scripts must be enqueued from one of a few action hooks – which one depends on what sort of page the script needs to be linked to. For administration pages, use admin_enqueue_scripts.
What do you need to know about enqueuing in PHP?
One is the need to enqueue scripts in order to get meta links to appear correctly in the page’s head section. The other is that all AJAX requests need to be sent through wp-admin/admin-ajax.php. Never send requests directly to your plugin pages.