Implement Array.forEach for browsers which don't have it

[rails.git] / app / assets / javascripts / compat.js

diff --git a/app/assets/javascripts/compat.js b/app/assets/javascripts/compat.js
new file mode 100644 (file)
index 0000000..3af9297
--- /dev/null
+++ b/app/assets/javascripts/compat.js
@@ -0,0 +1,10 @@
+/*
+ * Implement Array.forEach for browsers which don't have it
+ */
+if ( !Array.prototype.forEach ) {
+  Array.prototype.forEach = function(fn, scope) {
+    for(var i = 0, len = this.length; i < len; ++i) {
+      fn.call(scope || this, this[i], i, this);
+    }
+  }
+}