From 4f8f4db5dd529a18753150f1c4f4528fd0dab6b0 Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Fri, 16 Jun 2017 10:21:38 +0800
Subject: [PATCH] simplify source with rest params

---
 src/core/observer/array.js | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/src/core/observer/array.js b/src/core/observer/array.js
index 37c7bd114c..0dea252e3c 100644
--- a/src/core/observer/array.js
+++ b/src/core/observer/array.js
@@ -23,14 +23,7 @@ export const arrayMethods = Object.create(arrayProto)
 .forEach(function (method) {
   // cache original method
   const original = arrayProto[method]
-  def(arrayMethods, method, function mutator () {
-    // avoid leaking arguments:
-    // http://jsperf.com/closure-with-arguments
-    let i = arguments.length
-    const args = new Array(i)
-    while (i--) {
-      args[i] = arguments[i]
-    }
+  def(arrayMethods, method, function mutator (...args) {
     const result = original.apply(this, args)
     const ob = this.__ob__
     let inserted