GTM Click Element to CSS Path & Get last 100 characters

// Originally created by Simo Ahava: https://www.simoahava.com/analytics/create-css-path-variable-for-click-element/
// Modified to return last 100 characters

function() {
  // Build a CSS path for the clicked element
  var originalEl = {{Click Element}};
  var el = originalEl;
  if (el instanceof Node) {
    // Build the list of elements along the path
    var elList = [];
    do {
      if (el instanceof Element) {
        var classString = el.classList ? [].slice.call(el.classList).join('.') : '';
        var elementName = (el.tagName ? el.tagName.toLowerCase() : '') +
            (classString ? '.' + classString : '') +
            (el.id ? '#' + el.id : '');
        if (elementName) elList.unshift(elementName);
      }
      el = el.parentNode
    } while (el != null);
    // Get the stringified element object name
    var objString = originalEl.toString().match(/\[object (\w+)\]/);
    var elementType = objString ? objString[1] : originalEl.toString();
    var cssString = elList.join(' > ');
    // Return the CSS path as a string, prefixed with the element object name
    return (cssString ? elementType + ': ' + cssString : elementType).slice(-100);
  }
}