I see a couple of things. First your missing the closing bracket for your js function. Also, in WP you need to use jQuery() rather than $() for jQuery calls. Finally, make sure your script is inside a jQuery(document).ready(function() { });block.
Here is how you can add another button to the admin page. Download the MetaBox plugin Create a file called “button.php” in the wp-content folder Inlcude “button.php” in functions.php In button.php, type: add_filter( ‘rwmb_meta_boxes’, ‘admin_button_register_meta_boxes’ ); function your_prefix_register_meta_boxes( $meta_boxes ) { $prefix = ‘admin_button_’; $meta_boxes[] = array( ‘id’ => ‘standard’, ‘title’ => esc_html__( ‘Standard Fields’, … Read more
Having any AJAX inside of the customizer defeats the reason for using the customizer in the first place. The idea of the customizer is that it fully controls the state of the settings while it is active, and having any setting being updated without going via the customizer logic can actually cause a mismatch between … Read more
How can I implement shortcode on click event
Add buttons to the new TinyMCE WP Editor. Javascript API
I think woocommerce_proceed_to_checkout is an action, not a filter. See http://hookr.io/actions/woocommerce_proceed_to_checkout/. For the difference between actions and filters check out this question: Difference Between Filter and Action Hooks?
Add multisite switch button. Click to switch to other page in same admin area
This is a filter. It should return value, not render HTML/CSS/JS inside. For your color change, why didn’t you override the template file. eg: woocomerce\single-product\add-to-cart\simple.php
Override admin submit_button() functionality
add media button is not working