the fallback could be smaller, since we only want to set the context …

…(scope), and we don't need a full es5 compatible bind
Modernizr · Apr 29, 2014 · c121e16 · c121e16
1 parent 4e128f6
commit c121e16
Showing 1 changed file with 5 additions and 51 deletions.
diff --git a/src/fnBind.js b/src/fnBind.js
@@ -1,55 +1,9 @@
-define(['slice'], function( slice ) {
-  // Not implemented as a polyfill, as that would change the environment,
-  // which isn’t something Modernizr should do
-
-  // Defer to native .bind if available
-  if ('bind' in Function.prototype) {
-    return function fnBind (fn, that) {
-      return fn.bind(that);
-    };
-  }
-
-  // Adapted from ES5-shim https://github.com/kriskowal/es5-shim/blob/master/es5-shim.js
-  // es5.github.com/#x15.3.4.5
-  function fnBind (fn, that) {
-
-    var target = fn;
-
-    if (typeof target != 'function') {
-      throw new TypeError();
-    }
-
-    var args = slice.call(arguments, 2);
-    var bound = function() {
-
-      if (fn instanceof bound) {
-
-        var F = function(){};
-        F.prototype = target.prototype;
-        var self = new F();
-
-        var result = target.apply(
-          self,
-          args.concat(slice.call(arguments))
-        );
-        if (Object(result) === result) {
-          return result;
-        }
-        return self;
-
-      } else {
-
-        return target.apply(
-          that,
-          args.concat(slice.call(arguments))
-        );
-
-      }
-
+define(function() {
+  // Change the function's scope.
+  function fnBind(fn, that) {
+    return function() {
+      return fn.apply(that, arguments);
     };
-
-    return bound;
-
   }
 
   return fnBind;