Updates angular/hlsUtil.md

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Updates angular/hlsUtil.md
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2ddaaaae · JingChao · d96913f0 · 2ddaaaae
Commit 2ddaaaae 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`
- 函数参数为对象
+- 函数参数为(数组、元素)
 - 返回字符串
 - 调用实例如下
 ```javascript