JavaScript校验数组的相关内容

文章 2023-02-18 来自：开发者社区

js里校验数组中的某个字段是否重复？

代码实现比如重复校验arrTest里的name是否重复？let arrTest = [ {name: '凯'}, {name: '小'}, {name: '小'}, {name: '默'} ] // 校验重复 checkRepeatName (arr) { const obj = {} let flag = arr.every(item =>{ return...

文章 2022-02-14 来自：开发者社区

js校验数组是否为空

校验数组是否为空 <script> const isNotEmpty = arr => Array.isArray(arr) && arr.length > 0; console.log(isNotEmpty([1, 2, 3])); // Result: true console.log(isNotE...

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更新时间 2024-06-17 10:06:47

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