From 400e7917533032ea2026e8bfb4d5ee3ebc37adf9 Mon Sep 17 00:00:00 2001
From: Melissa <meowwwls@users.noreply.github.com>
Date: Fri, 21 Oct 2016 06:45:33 -0500
Subject: [PATCH] store arr.length in a variable in for-loop

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 7893daa..ee111f5 100644
--- a/README.md
+++ b/README.md
@@ -433,7 +433,7 @@ function isPalindrome(word) {
 ```js
 var arr = [0,1,2,3,4];
 
-for (var i = 0; i < arr.length; i++) {
+for (var i = 0, l = arr.length; i < l; i++) { 
   console.log(arr[i]);
   // ...
 }