From 4205deffbee6a6c094546913af77903a82be3494 Mon Sep 17 00:00:00 2001
From: nipher <jonas@nipher.io>
Date: Sun, 16 Apr 2017 12:45:28 -0300
Subject: [PATCH] Improve introduction doc fixing small scope issues

Small issues:
- Missing `var` keywords
- Multiple left-hand assignments declaring global variables, more info: http://stackoverflow.com/questions/1758576/multiple-left-hand-assignment-with-javascript
---
 docs/manual/introduction/How-to-update-things.html | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/docs/manual/introduction/How-to-update-things.html b/docs/manual/introduction/How-to-update-things.html
index b937c2fd18..70bac0dad5 100644
--- a/docs/manual/introduction/How-to-update-things.html
+++ b/docs/manual/introduction/How-to-update-things.html
@@ -69,14 +69,14 @@ var positions = new Float32Array( MAX_POINTS * 3 ); // 3 vertices per point
 geometry.addAttribute( 'position', new THREE.BufferAttribute( positions, 3 ) );
 
 // draw range
-drawCount = 2; // draw the first 2 points, only
+var drawCount = 2; // draw the first 2 points, only
 geometry.setDrawRange( 0, drawCount );
 
 // material
 var material = new THREE.LineBasicMaterial( { color: 0xff0000, linewidth: 2 } );
 
 // line
-line = new THREE.Line( geometry,  material );
+var line = new THREE.Line( geometry,  material );
 scene.add( line );
 				</code>
 			 	<p>
@@ -85,7 +85,8 @@ scene.add( line );
 				<code>
 var positions = line.geometry.attributes.position.array;
 
-var x = y = z = index = 0;
+var x, y, z, index;
+x = y = z = index = 0;
 
 for ( var i = 0, l = MAX_POINTS; i < l; i ++ ) {
 
-- 
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