Pega iframeGetElements

pegaiframegetElement.js

var ilp = ilp || {};
      ilp.getIframeElementsByClassName = function(item){
   
      var iframe = window.parent.document.getElementsByTagName("iframe");
        if(iframe.length > 0)
      for(var j = 0; j < iframe.length; j++){
           var $iframe = iframe[j];
           var iframeDocument = $iframe.contentDocument? $iframe.contentDocument:$iframe.contentWindow.document;
           var contentBody    = iframeDocument.querySelector('.harnessBody');
           var elementsByClassName = contentBody.querySelectorAll(item);
           
             return elementsByClassName;
           
           }
      }
      
   var anycssClassinsidePegaDomIframe = ilp.getIframeElementsByClassName('.table-with-fields');
   console.log(anycssClassinsidePegaDomIframe);