diff --git a/examples/canvas_lines_colors.html b/examples/canvas_lines_colors.html
index 155401d97d59aa7ae8a68988303260e41bfa32df..fc1b50934fc87bb502cd5ffaf94fc89ab38bd1dd 100644
--- a/examples/canvas_lines_colors.html
+++ b/examples/canvas_lines_colors.html
@@ -79,7 +79,7 @@
 				// 2d lines
 
 				var vertices = hilbert2D( new THREE.Vector3( 0, 0, 0 ), 400, 4 );
-				numVertices = vertices.length;
+				var numVertices = vertices.length;
 
 				var geometry2 = new THREE.BufferGeometry();
 
@@ -108,7 +108,7 @@
 				// 3d lines
 
 				var vertices = hilbert3D( new THREE.Vector3( 0, 0, 0 ), 200, 2, 0, 1, 2, 3, 4, 5, 6, 7 );
-				numVertices = vertices.length;
+				var numVertices = vertices.length;
 
 				var geometry3 = new THREE.BufferGeometry();
 
diff --git a/examples/canvas_lines_dashed.html b/examples/canvas_lines_dashed.html
index 9b68f0e2b3a3dddd2b355b8eb1eb9ba19fa8455a..012079838a931448fa6ed94e3690c189576880e7 100644
--- a/examples/canvas_lines_dashed.html
+++ b/examples/canvas_lines_dashed.html
@@ -65,7 +65,7 @@
 				var spline = new THREE.CatmullRomCurve3( points );
 
 				var samples = spline.getPoints( points.length * subdivisions );
-				numSamples = samples.length;
+				var numSamples = samples.length;
 
 				var geometrySpline = new THREE.BufferGeometry();
 
diff --git a/examples/webgl_geometry_colors.html b/examples/webgl_geometry_colors.html
index dc6114d6afa1002ff1fae0f2133e579a0a548072..90cb1771a175df6223ebbb47d28b57a267446388 100644
--- a/examples/webgl_geometry_colors.html
+++ b/examples/webgl_geometry_colors.html
@@ -115,8 +115,8 @@
 				var count = geometry1.attributes.position.count;
 				geometry1.addAttribute( 'color', new THREE.BufferAttribute( new Float32Array( count * 3 ), 3 ) );
 
-				geometry2 = geometry1.clone();
-				geometry3 = geometry1.clone();
+				var geometry2 = geometry1.clone();
+				var geometry3 = geometry1.clone();
 
 				var color = new THREE.Color();
 				var positions1 = geometry1.attributes.position;
@@ -148,21 +148,21 @@
 
 				var wireframeMaterial = new THREE.MeshBasicMaterial( { color: 0x000000, wireframe: true, transparent: true } );
 
-				mesh = new THREE.Mesh( geometry1, material );
-				wireframe = new THREE.Mesh( geometry1, wireframeMaterial );
+				var mesh = new THREE.Mesh( geometry1, material );
+				var wireframe = new THREE.Mesh( geometry1, wireframeMaterial );
 				mesh.add( wireframe );
 				mesh.position.x = - 400;
 				mesh.rotation.x = - 1.87;
 				scene.add( mesh );
 
-				mesh = new THREE.Mesh( geometry2, material );
-				wireframe = new THREE.Mesh( geometry2, wireframeMaterial );
+				var mesh = new THREE.Mesh( geometry2, material );
+				var wireframe = new THREE.Mesh( geometry2, wireframeMaterial );
 				mesh.add( wireframe );
 				mesh.position.x = 400;
 				scene.add( mesh );
 
-				mesh = new THREE.Mesh( geometry3, material );
-				wireframe = new THREE.Mesh( geometry3, wireframeMaterial );
+				var mesh = new THREE.Mesh( geometry3, material );
+				var wireframe = new THREE.Mesh( geometry3, wireframeMaterial );
 				mesh.add( wireframe );
 				scene.add( mesh );
 
diff --git a/examples/webgl_multiple_canvases_complex.html b/examples/webgl_multiple_canvases_complex.html
index 1bdb3042c47f815ea13896b50ad0571ae3039f65..75834a0f535d08351d173586150881e850409f2a 100644
--- a/examples/webgl_multiple_canvases_complex.html
+++ b/examples/webgl_multiple_canvases_complex.html
@@ -177,8 +177,8 @@
 				var count = geometry1.attributes.position.count;
 				geometry1.addAttribute( 'color', new THREE.BufferAttribute( new Float32Array( count * 3 ), 3 ) );
 
-				geometry2 = geometry1.clone();
-				geometry3 = geometry1.clone();
+				var geometry2 = geometry1.clone();
+				var geometry3 = geometry1.clone();
 
 				var color = new THREE.Color();
 				var positions1 = geometry1.attributes.position;
@@ -210,23 +210,21 @@
 
 				var wireframeMaterial = new THREE.MeshBasicMaterial( { color: 0x000000, wireframe: true, transparent: true } );
 
-				var mesh, wireframe;
-
-				mesh = new THREE.Mesh( geometry1, material );
-				wireframe = new THREE.Mesh( geometry1, wireframeMaterial );
+				var mesh = new THREE.Mesh( geometry1, material );
+				var wireframe = new THREE.Mesh( geometry1, wireframeMaterial );
 				mesh.add( wireframe );
 				mesh.position.x = - 400;
 				mesh.rotation.x = - 1.87;
 				scene.add( mesh );
 
-				mesh = new THREE.Mesh( geometry2, material );
-				wireframe = new THREE.Mesh( geometry2, wireframeMaterial );
+				var mesh = new THREE.Mesh( geometry2, material );
+				var wireframe = new THREE.Mesh( geometry2, wireframeMaterial );
 				mesh.add( wireframe );
 				mesh.position.x = 400;
 				scene.add( mesh );
 
-				mesh = new THREE.Mesh( geometry3, material );
-				wireframe = new THREE.Mesh( geometry3, wireframeMaterial );
+				var mesh = new THREE.Mesh( geometry3, material );
+				var wireframe = new THREE.Mesh( geometry3, wireframeMaterial );
 				mesh.add( wireframe );
 				scene.add( mesh );
 
diff --git a/examples/webgl_multiple_canvases_grid.html b/examples/webgl_multiple_canvases_grid.html
index 7c7d36da4c1146b7094a863818670201bf6c2b39..e0e0b77e225ee1979a9eb76d0c4e37493d840e35 100644
--- a/examples/webgl_multiple_canvases_grid.html
+++ b/examples/webgl_multiple_canvases_grid.html
@@ -195,8 +195,8 @@
 				var count = geometry1.attributes.position.count;
 				geometry1.addAttribute( 'color', new THREE.BufferAttribute( new Float32Array( count * 3 ), 3 ) );
 
-				geometry2 = geometry1.clone();
-				geometry3 = geometry1.clone();
+				var geometry2 = geometry1.clone();
+				var geometry3 = geometry1.clone();
 
 				var color = new THREE.Color();
 				var positions1 = geometry1.attributes.position;
@@ -228,21 +228,21 @@
 
 				var wireframeMaterial = new THREE.MeshBasicMaterial( { color: 0x000000, wireframe: true, transparent: true } );
 
-				mesh = new THREE.Mesh( geometry1, material );
-				wireframe = new THREE.Mesh( geometry1, wireframeMaterial );
+				var mesh = new THREE.Mesh( geometry1, material );
+				var wireframe = new THREE.Mesh( geometry1, wireframeMaterial );
 				mesh.add( wireframe );
 				mesh.position.x = - 400;
 				mesh.rotation.x = - 1.87;
 				scene.add( mesh );
 
-				mesh = new THREE.Mesh( geometry2, material );
-				wireframe = new THREE.Mesh( geometry2, wireframeMaterial );
+				var mesh = new THREE.Mesh( geometry2, material );
+				var wireframe = new THREE.Mesh( geometry2, wireframeMaterial );
 				mesh.add( wireframe );
 				mesh.position.x = 400;
 				scene.add( mesh );
 
-				mesh = new THREE.Mesh( geometry3, material );
-				wireframe = new THREE.Mesh( geometry3, wireframeMaterial );
+				var mesh = new THREE.Mesh( geometry3, material );
+				var wireframe = new THREE.Mesh( geometry3, wireframeMaterial );
 				mesh.add( wireframe );
 				scene.add( mesh );
 
diff --git a/examples/webgl_multiple_renderers.html b/examples/webgl_multiple_renderers.html
index 08e8c075fc555f075d4a3c93fe1debb663c6c208..00f6aa4a17925b1ae1dcdfcca984c1e1d5ff29dc 100644
--- a/examples/webgl_multiple_renderers.html
+++ b/examples/webgl_multiple_renderers.html
@@ -142,21 +142,21 @@
 
 				var wireframeMaterial = new THREE.MeshBasicMaterial( { color: 0x000000, wireframe: true, transparent: true } );
 
-				mesh1 = new THREE.Mesh( geometry1, material );
-				wireframe = new THREE.Mesh( geometry1, wireframeMaterial );
+				var mesh1 = new THREE.Mesh( geometry1, material );
+				var wireframe = new THREE.Mesh( geometry1, wireframeMaterial );
 				mesh1.add( wireframe );
 				mesh1.position.x = - 400;
 				mesh1.rotation.x = - 1.87;
 				scene.add( mesh1 );
 
-				mesh2 = new THREE.Mesh( geometry2, material );
-				wireframe = new THREE.Mesh( geometry2, wireframeMaterial );
+				var mesh2 = new THREE.Mesh( geometry2, material );
+				var wireframe = new THREE.Mesh( geometry2, wireframeMaterial );
 				mesh2.add( wireframe );
 				mesh2.position.x = 400;
 				scene.add( mesh2 );
 
-				mesh3 = new THREE.Mesh( geometry3, material );
-				wireframe = new THREE.Mesh( geometry3, wireframeMaterial );
+				var mesh3 = new THREE.Mesh( geometry3, material );
+				var wireframe = new THREE.Mesh( geometry3, wireframeMaterial );
 				mesh3.add( wireframe );
 				scene.add( mesh3 );
 
diff --git a/examples/webgl_multiple_views.html b/examples/webgl_multiple_views.html
index 85bc73d0034f63e169de3f162c27910345915a31..3382d869cdc4fd75b9691af470d5f2fe625be286 100644
--- a/examples/webgl_multiple_views.html
+++ b/examples/webgl_multiple_views.html
@@ -166,8 +166,8 @@
 				var count = geometry1.attributes.position.count;
 				geometry1.addAttribute( 'color', new THREE.BufferAttribute( new Float32Array( count * 3 ), 3 ) );
 
-				geometry2 = geometry1.clone();
-				geometry3 = geometry1.clone();
+				var geometry2 = geometry1.clone();
+				var geometry3 = geometry1.clone();
 
 				var color = new THREE.Color();
 				var positions1 = geometry1.attributes.position;
@@ -199,21 +199,21 @@
 
 				var wireframeMaterial = new THREE.MeshBasicMaterial( { color: 0x000000, wireframe: true, transparent: true } );
 
-				mesh = new THREE.Mesh( geometry1, material );
-				wireframe = new THREE.Mesh( geometry1, wireframeMaterial );
+				var mesh = new THREE.Mesh( geometry1, material );
+				var wireframe = new THREE.Mesh( geometry1, wireframeMaterial );
 				mesh.add( wireframe );
 				mesh.position.x = - 400;
 				mesh.rotation.x = - 1.87;
 				scene.add( mesh );
 
-				mesh = new THREE.Mesh( geometry2, material );
-				wireframe = new THREE.Mesh( geometry2, wireframeMaterial );
+				var mesh = new THREE.Mesh( geometry2, material );
+				var wireframe = new THREE.Mesh( geometry2, wireframeMaterial );
 				mesh.add( wireframe );
 				mesh.position.x = 400;
 				scene.add( mesh );
 
-				mesh = new THREE.Mesh( geometry3, material );
-				wireframe = new THREE.Mesh( geometry3, wireframeMaterial );
+				var mesh = new THREE.Mesh( geometry3, material );
+				var wireframe = new THREE.Mesh( geometry3, wireframeMaterial );
 				mesh.add( wireframe );
 				scene.add( mesh );