Gravity Forms | Disable Field or Sub-Field

gw-disable-field-or-subfieldy.js

/**
 * Gravity Wiz // Gravity Forms // Disable Field or Subfield 
 * https://gravitywiz.com/
 * 
 * Instructions:
 *
 * 1. Install this snippet with our free Custom JavaScript plugin.
 *    https://gravitywiz.com/gravity-forms-custom-javascript/
 * 2. Replace "1_2" with the ID of your field and the sub-field ID (in the case of an address field, for example), 
 * or replace the "1_2" with your field id only, if it's a single field.
 *
 */

// When the page is ready
window.addEventListener('load', function () {
  if (document.querySelector('body') !== null) {
    
    let formField = document.querySelector('#input_GFFORMID_1_2');

    formField.setAttribute("disabled", "true");
  }
});