Merge pull request #25 from anselmbradford/master

Adds Array.prototype.indexOf polyfill
remy · Oct 2, 2013 · 78d9e38 · 78d9e38
2 parents ef7929a + b8de590
commit 78d9e38
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/classList.js b/classList.js
@@ -2,6 +2,16 @@
 
 if (typeof window.Element === "undefined" || "classList" in document.documentElement) return;
 
+// adds indexOf to Array prototype for IE support
+if (!Array.prototype.indexOf) {
+    Array.prototype.indexOf = function(obj, start) {
+        for (var i = (start || 0), j = this.length; i < j; i++) {
+            if (this[i] === obj) { return i; }
+        }
+        return -1;
+    }
+}
+
 var prototype = Array.prototype,
     indexOf = prototype.indexOf,
     slice = prototype.slice,