code: function () {
  				// ensure legacy browsers support html5 tags
  				document.createElement("nav");
  				document.createElement("article");
  				document.createElement("section");
  				// cover
  				elCover = document.createElement("div");
  				elCover.setAttribute("id", "alertify-cover");
  				elCover.className = "alertify-cover alertify-cover-hidden";
  				document.body.appendChild(elCover);
  				// main element
  				elDialog = document.createElement("section");
  				elDialog.setAttribute("id", "alertify");
  				elDialog.className = "alertify alertify-hidden";
  				document.body.appendChild(elDialog);
  				// log element
  				elLog = document.createElement("section");
  				elLog.setAttribute("id", "alertify-logs");
  				elLog.className = "alertify-logs alertify-logs-hidden";
  				document.body.appendChild(elLog);
  				// set tabindex attribute on body element
  				// this allows script to give it focus
  				// after the dialog is closed
  				document.body.setAttribute("tabindex", "0");
  				// set transition type
  				this.transition = getTransitionEvent();
  				// clean up init method
  				delete this.init;
  			}
docs: Initialize Alertify
  Create the 2 main elements
  
  @return {undefined}