fix contains BUG

RubyLouvre · Oct 3, 2014 · c4c421b · c4c421b
1 parent 18b7e72
commit c4c421b
Showing 1 changed file with 10 additions and 3 deletions.
diff --git a/avalon.modern.js b/avalon.modern.js
@@ -176,9 +176,6 @@
         slice: function(nodes, start, end) {
             return aslice.call(nodes, start, end)
         },
-        contains: function(a, b) {
-            return a.contains(b)
-        },
         eventHooks: {},
         bind: function(el, type, fn, phase) {
             var hooks = avalon.eventHooks
@@ -301,6 +298,16 @@
             return !!(this.compareDocumentPosition(arg) & 16)
         }
     }
+    avalon.contains =  function(a, b) {
+        if (b) {
+            while ((b = b.parentNode)) {
+                if (b === a) {
+                    return true;
+                }
+            }
+        }
+        return false
+    }
     if (window.SVGElement) {
         var svgns = "http://www.w3.org/2000/svg"
         var svg = document.createElementNS(svgns, "svg")