fix(utils/element-matches.js): Use node.matches* in place of `proto…

…type.matches*` (#956) Closes #953
dequelabs · Jun 18, 2018 · ebdb590 · ebdb590
1 parent 3858a1f
commit ebdb590
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/lib/core/utils/element-matches.js b/lib/core/utils/element-matches.js
@@ -9,10 +9,9 @@ axe.utils.matchesSelector = (function () {
 
 	var method;
 
-	function getMethod(win) {
+	function getMethod(node) {
 
 		var index, candidate,
-			elProto = win.Element.prototype,
 			candidates = [
 				'matches',
 				'matchesSelector',
@@ -24,7 +23,7 @@ axe.utils.matchesSelector = (function () {
 
 		for (index = 0; index < length; index++) {
 			candidate = candidates[index];
-			if (elProto[candidate]) {
+			if (node[candidate]) {
 				return candidate;
 			}
 		}
@@ -34,7 +33,7 @@ axe.utils.matchesSelector = (function () {
 	return function (node, selector) {
 
 		if (!method || !node[method]) {
-			method = getMethod(node.ownerDocument.defaultView);
+			method = getMethod(node);
 		}
 
 		return node[method](selector);