Merge pull request #273 from geekf/patch-1

Fixing bad code example for over-optimization

README.md

@@ -980,7 +980,7 @@ they are fixed if they can be.
 ```javascript
 // On old browsers, each iteration with uncached `list.length` would be costly
 // because of `list.length` recomputation. In modern browsers, this is optimized.
-for (let i = 0; len = list.length; i < len; i++) {
+for (let i = 0, len = list.length; i < len; i++) {
   // ...
 }
 ```