JSFiddle - React, Tailwind, and code Playground
by lindychen
JavaScript
add_filter( 'gettext', 'change_specific_add_to_cart_notice', 10, 3 );
add_filter( 'ngettext', 'change_specific_add_to_cart_notice', 10, 3 );
function change_specific_add_to_cart_notice() {
?>
<script type='text/javascript'>
window.onload = function() {
alert('<?php echo $message; ?>');
}
</script>
<?php
}