Js Code
Javascript Codes Wrap Text Node function wrapSpan(node, index) { if (node.nodeName === '#text') { var text = node.textContent; var s = document.createElement('span'); s.textContent = text; node.parentElement.insertBefore(s, node.parentElement.childNodes[index]); node.remove(); } else { var length = node.childNodes.length; // childNodes is a collection, not an array. :-/ for (var i = 0; i < length; i++) wrapSpan(node.childNodes[i], i); } } var h2 = document.getElementsByTagName('h2') for(i=0; i< h2.length ;i++){ wrapSpan( h2[i], 0) } Use this for Add Class on menu links using Javascript (function(){ var el = document.querySelectorAll('.custom-menu-primary a') el.forEach(function(e){ e.classList = e.textContent.toLowerCase().replace(/[^a-zA-Z0-9\.-]+/g,""); }) })();