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问题描述
我对这项任务有些困惑 我有一个像这样的数组: 数组= ["123","456",#123"] 我想找到包含#的元素.我使用了array.includes("#")和array.indexOf("#"),但是没有用 有什么想法吗?
i'm a little bit confused with this task I have an array like this: array = ["123", "456", "#123"] i want to find the element which contains the #. I used array.includes("#") and array.indexOf("#") but it didn't work Any ideas??
推荐答案因为include会将'#'与每个数组元素进行比较.
Because includes will compare '#' with each array element.
让我们尝试使用一些或查找如果要查找是否要精确获取元素
Let's try with some or find if you want to find if you want to get exactly element
var array = ["123", "456", "#123"]; var el = array.find(a =>a.includes("#")); console.log(el)
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检查字符串数组是否在javascript中包含子字符串
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