WebGLRenderer clean up.

src/renderers/WebGLRenderer.js

@@ -783,15 +783,15 @@ function WebGLRenderer( parameters ) {
 
 		}
 
+		var attribute;
 		var renderer = bufferRenderer;
-		var indexProperties;
 
 		if ( index !== null ) {
 
-			indexProperties = attributes.get( index );
+			attribute = attributes.get( index );
 
 			renderer = indexedBufferRenderer;
-			renderer.setIndex( indexProperties );
+			renderer.setIndex( attribute );
 
 		}
 
@@ -801,7 +801,7 @@ function WebGLRenderer( parameters ) {
 
 			if ( index !== null ) {
 
-				_gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, indexProperties.buffer );
+				_gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, attribute.buffer );
 
 			}
 
@@ -944,11 +944,11 @@ function WebGLRenderer( parameters ) {
 					var normalized = geometryAttribute.normalized;
 					var size = geometryAttribute.itemSize;
 
-					var attributeProperties = attributes.get( geometryAttribute );
+					var attribute = attributes.get( geometryAttribute );
 
-					var buffer = attributeProperties.buffer;
-					var type = attributeProperties.type;
-					var bytesPerElement = attributeProperties.bytesPerElement;
+					var buffer = attribute.buffer;
+					var type = attribute.type;
+					var bytesPerElement = attribute.bytesPerElement;
 
 					if ( geometryAttribute.isInterleavedBufferAttribute ) {