Difference of between 1.4.3 and 1.4.4 (Underscore.js)

gistfile1.diff

diff --git a/underscore1.4.3.js b/underscore1.4.4.js
index 4d83099..6642c09 100644
--- a/underscore1.4.3.js
+++ b/underscore1.4.4.js
@@ -1,6 +1,6 @@
-//     Underscore.js 1.4.3
+//     Underscore.js 1.4.4
 //     http://underscorejs.org
-//     (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
+//     (c) 2009-2013 Jeremy Ashkenas, DocumentCloud Inc.
 //     Underscore may be freely distributed under the MIT license.
 
 (function() {
@@ -64,7 +64,7 @@
   }
 
   // Current version.
-  _.VERSION = '1.4.3';
+  _.VERSION = '1.4.4';
 
   // Collection Functions
   // --------------------
@@ -224,8 +224,9 @@
   // Invoke a method (with arguments) on every item in a collection.
   _.invoke = function(obj, method) {
     var args = slice.call(arguments, 2);
+    var isFunc = _.isFunction(method);
     return _.map(obj, function(value) {
-      return (_.isFunction(method) ? method : value[method]).apply(value, args);
+      return (isFunc ? method : value[method]).apply(value, args);
     });
   };
 
@@ -235,10 +236,10 @@
   };
 
   // Convenience version of a common use case of `filter`: selecting only objects
-  // with specific `key:value` pairs.
-  _.where = function(obj, attrs) {
-    if (_.isEmpty(attrs)) return [];
-    return _.filter(obj, function(value) {
+  // containing specific `key:value` pairs.
+  _.where = function(obj, attrs, first) {
+    if (_.isEmpty(attrs)) return first ? void 0 : [];
+    return _[first ? 'find' : 'filter'](obj, function(value) {
       for (var key in attrs) {
         if (attrs[key] !== value[key]) return false;
       }
@@ -246,6 +247,12 @@
     });
   };
 
+  // Convenience version of a common use case of `find`: getting the first object
+  // containing specific `key:value` pairs.
+  _.findWhere = function(obj, attrs) {
+    return _.where(obj, attrs, true);
+  };
+
   // Return the maximum element or (element-based computation).
   // Can't optimize arrays of integers longer than 65,535 elements.
   // See: https://bugs.webkit.org/show_bug.cgi?id=80797
@@ -567,26 +574,23 @@
   // Function (ahem) Functions
   // ------------------
 
-  // Reusable constructor function for prototype setting.
-  var ctor = function(){};
-
   // Create a function bound to a given object (assigning `this`, and arguments,
-  // optionally). Binding with arguments is also known as `curry`.
-  // Delegates to **ECMAScript 5**'s native `Function.bind` if available.
-  // We check for `func.bind` first, to fail fast when `func` is undefined.
+  // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
+  // available.
   _.bind = function(func, context) {
-    var args, bound;
     if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
-    if (!_.isFunction(func)) throw new TypeError;
-    args = slice.call(arguments, 2);
-    return bound = function() {
-      if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
-      ctor.prototype = func.prototype;
-      var self = new ctor;
-      ctor.prototype = null;
-      var result = func.apply(self, args.concat(slice.call(arguments)));
-      if (Object(result) === result) return result;
-      return self;
+    var args = slice.call(arguments, 2);
+    return function() {
+      return func.apply(context, args.concat(slice.call(arguments)));
+    };
+  };
+
+  // Partially apply a function by creating a version that has had some of its
+  // arguments pre-filled, without changing its dynamic `this` context.
+  _.partial = function(func) {
+    var args = slice.call(arguments, 1);
+    return function() {
+      return func.apply(this, args.concat(slice.call(arguments)));
     };
   };
 
@@ -594,7 +598,7 @@
   // all callbacks defined on an object belong to it.
   _.bindAll = function(obj) {
     var funcs = slice.call(arguments, 1);
-    if (funcs.length == 0) funcs = _.functions(obj);
+    if (funcs.length === 0) throw new Error("bindAll must be passed function names");
     each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
     return obj;
   };
@@ -1019,7 +1023,7 @@
       max = min;
       min = 0;
     }
-    return min + (0 | Math.random() * (max - min + 1));
+    return min + Math.floor(Math.random() * (max - min + 1));
   };
 
   // List of HTML entities for escaping.
@@ -1054,7 +1058,7 @@
   // If the value of the named property is a function then invoke it;
   // otherwise, return it.
   _.result = function(object, property) {
-    if (object == null) return null;
+    if (object == null) return void 0;
     var value = object[property];
     return _.isFunction(value) ? value.call(object) : value;
   };
@@ -1075,7 +1079,7 @@
   // Useful for temporary DOM ids.
   var idCounter = 0;
   _.uniqueId = function(prefix) {
-    var id = '' + ++idCounter;
+    var id = ++idCounter + '';
     return prefix ? prefix + id : id;
   };
 
@@ -1110,6 +1114,7 @@
   // Underscore templating handles arbitrary delimiters, preserves whitespace,
   // and correctly escapes quotes within interpolated code.
   _.template = function(text, data, settings) {
+    var render;
     settings = _.defaults({}, settings, _.templateSettings);
 
     // Combine delimiters into one regular expression via alternation.
@@ -1148,7 +1153,7 @@
       source + "return __p;\n";
 
     try {
-      var render = new Function(settings.variable || 'obj', '_', source);
+      render = new Function(settings.variable || 'obj', '_', source);
     } catch (e) {
       e.source = source;
       throw e;