fix wrong syntax

tylim88 · web-flow · commit bcb1526ce137 · 2019-08-05T23:57:12.000+08:00
diff --git a/README.md b/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++) {
   // ...
 }
 ```

Original file line number	Diff line number	Diff line change
`@@ -980,7 +980,7 @@ they are fixed if they can be.`
`980`	`980`	```javascript
`981`	`981`	// On old browsers, each iteration with uncached `list.length` would be costly
`982`	`982`	// because of `list.length` recomputation. In modern browsers, this is optimized.
`983`		`-for (let i = 0, len = list.length; i < len; i++) {`
	`983`	`+for (let i = 0; len = list.length; i < len; i++) {`
`984`	`984`	`// ...`
`985`	`985`	`}`
`986`	`986`	```