From 907a5d83acaffa7ac6abe0be052fa39f58393ba6 Mon Sep 17 00:00:00 2001
From: Fran Verona <franverona@gmail.com>
Date: Mon, 19 Oct 2015 14:48:12 +0100
Subject: [PATCH] Update cache-loop-length.md

Add a better alternative to avoid a lot of unused variables outside loops
---
 page/performance/cache-loop-length.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/page/performance/cache-loop-length.md b/page/performance/cache-loop-length.md
index 05cc6269..227198a0 100644
--- a/page/performance/cache-loop-length.md
+++ b/page/performance/cache-loop-length.md
@@ -16,3 +16,13 @@ for ( var i = 0; i < myLength; i++ ) {
 
 }
 ```
+
+Or if you only need length property for this loop, you can also declare it as a local variable.
+
+```
+for ( var i = 0, myLength = myArray.length; i < myLength; i++ ) {
+
+	// do stuff
+
+}
+```