Gravity Forms | Automatically Submit After X Number of Characters Entered Into Field

gw-auto-submit-on-x-characters-entered-into-field.js

/**
 * Gravity Wiz // Gravity Forms // Automatically Submit After X Number of Characters Entered Into Field
 * https://gravitywiz.com/
 * 
 * Instructions:
 *
 * 1. Install this snippet with our free Custom JavaScript plugin.
 *    https://gravitywiz.com/gravity-forms-custom-javascript/
 * 2. Replace "1" with the ID of your field, and "4" with the number of characters you want to limit it to.
 *
 */

// When the page is ready
window.addEventListener('load', function () {
  if (document.querySelector('body') !== null) {
    
    let characterLimit = 4;
    let field = document.querySelector('#input_GFFORMID_1');
    
    field.addEventListener('input', checkForCharacterMaxReached());
    
    // Manually check for max reached every half second just in case it gets changed via JavaScript 
    // instead of manual entry
    let t=setInterval(checkForCharacterMaxReached,500);
    
    function checkForCharacterMaxReached() {
    	if( field.value.length >= characterLimit ) {
        	document.querySelector('form#gform_GFFORMID').submit();
        }
    }
  }
});