chore: remove unused Document.prototype.contains polyfill

googlearchive · Feb 28, 2014 · d58d581 · d58d581
1 parent ba3da96
commit d58d581
Showing 1 changed file with 0 additions and 9 deletions.
diff --git a/src/NodeBind.js b/src/NodeBind.js
@@ -26,15 +26,6 @@
   }
 
 
-  // IE does not support have Document.prototype.contains.
-  if (typeof document.contains != 'function') {
-    Document.prototype.contains = function(node) {
-      if (node === this || node.parentNode === this)
-        return true;
-      return this.documentElement.contains(node);
-    }
-  }
-
   Node.prototype.bind = function(name, observable) {
     console.error('Unhandled binding to Node: ', this, name, observable);
   };