Clean up.

src/materials/Material.js

@@ -197,13 +197,19 @@ THREE.Material.prototype = {
 		// TODO: Copied from Object3D.toJSON
 
 		function extractFromCache ( cache ) {
+
 			var values = [];
+
 			for ( var key in cache ) {
+
 				var data = cache[ key ];
 				delete data.metadata;
 				values.push( data );
+
 			}
+
 			return values;
+
 		}
 
 		if ( isRoot ) {

src/math/Quaternion.js

@@ -296,7 +296,7 @@ THREE.Quaternion.prototype = {
 
 			return this;
 
-		}
+		};
 
 	}(),
 
@@ -522,12 +522,12 @@ Object.assign( THREE.Quaternion, {
 
 		// fuzz-free, array-based Quaternion SLERP operation
 
-		var x0 = src0[   srcOffset0   ],
+		var x0 = src0[ srcOffset0 + 0 ],
 			y0 = src0[ srcOffset0 + 1 ],
 			z0 = src0[ srcOffset0 + 2 ],
 			w0 = src0[ srcOffset0 + 3 ],
 
-			x1 = src1[   srcOffset1   ],
+			x1 = src1[ srcOffset1 + 0 ],
 			y1 = src1[ srcOffset1 + 1 ],
 			z1 = src1[ srcOffset1 + 2 ],
 			w1 = src1[ srcOffset1 + 3 ];