document.querySelector("#shipping > div.wc-block-components-text-input.wc-block-components-address-form__postcode"delete) If you are using the jQuery library, then don't forget to wrap your code inside jQuery.ready() as follows: jQuery(document).ready(function( $ ){ // Your code in here }); -- If you want to link a JavaScript file that resides on another server (similar to ), then please use the "Add HTML Code" page, as this is a HTML code that links a JavaScript file. End of comment */