Update vectorDistance.md

snippets/vectorDistance.md

@@ -1,4 +1,4 @@
-### VectorDistance
+### vectorDistance
 
 Returns the distance between two vectors.
 
@@ -7,11 +7,11 @@ Use `Array.prototype.reduce()`,`Math.pow()` and `Math.sqrt()` to calculate the E
 ```js
 const vectorDistance = (...coords) => {
     let pointLength = Math.trunc(coords.length / 2);
-    let sum = coords.slice(0,pointLength).reduce((accumulator,currentValue,currentIndex) => accumulator + (Math.pow(currentValue-coords[pointLength+currentIndex],2)),0);
+    let sum = coords.slice(0, pointLength).reduce((acc, val, i) => acc + (Math.pow(val - coords[pointLength + i], 2)), 0);
     return Math.sqrt(sum);
-}
+};
 ```
 
 ```js
-vectorDistance(10,0,5,20,0,10) //11.180339887498949
+vectorDistance(10, 0, 5, 20, 0, 10); // 11.180339887498949
 ```