Updates angular/hlsUtil.md

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Updates angular/hlsUtil.md
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e59689a6 · JingChao · db98d708 · e59689a6
Commit e59689a6 authored Sep 08, 2017 by JingChao
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hlsUtil.md angular/hlsUtil.md +2 -0

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@@ -49,3 +49,5 @@ function objToString(){
  }
 ```

+##### 5.判断数组中是否含有某个元素  `inArray`
+