Updates angular/hlsUtil.md

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Updates angular/hlsUtil.md
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5993e857 · JingChao · 167cb5a6 · 5993e857
Commit 5993e857 authored Sep 08, 2017 by JingChao
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@@ -50,7 +50,7 @@ function objToString(){
 ```

 ##### 5.判断数组中是否含有某个元素  `inArray`
- 函数参数为(数组、元素)
+- 函数参数为`(`数组、元素`)`
 - 返回 `true of false`
 - 调用实例如下
 ```javascript