Replace coupon form with a pop-up link

Replaces the coupon form on the Checkout page with an add coupon link and browser confirm modal to accept a coupon code. Use in conjunction with Replace coupon form with URL argument code snippet.

// Hide Coupon Form On Checkout
add_action( 'init', function() {
        'woocommerce_checkout_coupon_form', 10
} );

// Show Link On Cart And Checkout

// Modal Trigger HTML And JavaScript
function ccom_coupon_modal_trigger() {

	<p style="text-align:center;">
		<a href="#" id="ccom_coupon_modal">
			Have a coupon? Click to apply.

	add_action( 'wp_print_footer_scripts', function() {
		<script type="text/javascript">
		document.addEventListener( 'DOMContentLoaded', function() { 

			document.getElementById( 'ccom_coupon_modal' )
				.addEventListener( 'click', function( event ) {


				let coupon_code = prompt(
					'If you have a coupon code, please apply it below.'

				if( coupon_code ) {
					window.location.href = '<?php echo wc_get_cart_url(); ?>?coupon_code='
						+ coupon_code;

			} );

		} );
	} );


Instructions for Replace coupon form with a pop-up link

  1. Log into a staging or locally hosted clone of your site.
  2. Install and activate Code Snippets plugin.
  3. WP Admin > Snippets > Add New
  4. Copy and paste the code from the section above.
  5. Check to ensure formatting came over properly.
  6. Customize the code as desired.
  7. Add a meaningful title.
  8. Select whether to run on front-end or back-end (or both).
  9. Click “Save and Activate”.
  10. Test your site to ensure it works.
  11. Disable if any problems, or recover.
  12. Repeat for live environment.

Need help modifying Replace coupon form with a pop-up link?

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All code snippets are licensed GPLv2 (or later) matching WordPress licensing.

Except when otherwise stated in writing the copyright holders and/or other parties provide the program as-is without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.

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