消除第二个字符串数组中的重复项 [英] Elimniate Duplicates in second string array

问题描述

如何使用JavaScript比较两个字符串数组并消除第二个字符串数组中的常见字符串

How To compare two string arrays and eliminate common strings in second string array Using JavaScript

Eg:- arrCol = {"aa","bb","cc"}
     arrCol1 ={""aa","bb","cc","dd"}
Then output arrCol2={"dd"}

请Giude我.

Please Giude me.

推荐答案

以下是指导:

阅读JavaScript中的''对象''.它们是哈希，哈希是自动重复删除逻辑.
您需要做的就是遍历字符串并将它们分配给对象的键.

试试吧！

Here is the guidance:

Read about ''objects'' in JavaScript. They are Hashes and hashes are an automatic duplicate removal logic.
All you need to do is loop through the strings and assign them to the keys of an object.

Try!

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