Fixed problem with Element.ELEMENT_NODE undefined on Safari

core/modules/utils/dom/browser.js

@@ -18,7 +18,7 @@ Set style properties of an element
 	styles: ordered array of {name: value} pairs
 */
 exports.setStyle = function(element,styles) {
-	if(element.nodeType === Element.ELEMENT_NODE) {
+	if(element.nodeType === 1) { // Element.ELEMENT_NODE
 		for(var t=0; t<styles.length; t++) {
 			for(var styleName in styles[t]) {
 				element.style[$tw.utils.convertStyleNameToPropertyName(styleName)] = styles[t][styleName];