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一些使 JavaScript 更加简洁的小技巧-WEB前端开发

 5 years ago
source link: http://www.css88.com/archives/9868
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推荐9个使 JavaScript 代码变得更加简洁的小技巧，大概5分钟就能掌握。 1.清空或截断数组 在不重新给数组赋值的情况下，清空或截断数组的最简单方法是更改​​其 length 属性值： const arr = [11, 22, 33, 44, 55, 66]; // truncanting arr.length = 3; console.log(arr); //=> [11,

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