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【译】5分钟学习 JS 一些小技巧
source link: https://juejin.im/post/5b42bb9ce51d45199060e199
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原文 - Learn these neat JavaScript tricks in less than 5 minutes 一些日常开发技巧，意译了。 清空和截短数组 最简单的清空和截短数组的方法就是改变 length 属性： const arr = [1
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