The main difference between the two pages is the method of sending messages. Recieving messages is the same in both.
Send messages to iframe using iframeEl.contentWindow.postMessage
Recieve messages using window.addEventListener('message')
<?php | |
class TimeoutException extends RuntimeException {} | |
class Timeout | |
{ | |
private $active; | |
public function set($seconds) | |
{ |
/** | |
* Add the field to the checkout | |
**/ | |
add_action('woocommerce_after_order_notes', 'my_custom_checkout_field'); | |
function my_custom_checkout_field( $checkout ) { | |
echo '<div id="my_custom_checkout_field"><h3>'.__('My Field').'</h3>'; | |
/** |