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使用正则实现trim()函数 #20

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xxxgitone opened this issue Sep 10, 2017 · 0 comments

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xxxgitone commented Sep 10, 2017

function trim(str) {
   return str.replace(/^\s+/, '').replace(/\s+$/, '')
}
const str = ' string name '
trim(str)  // "string name"

正则表达式这块不怎么熟悉，后面要抽时间再重点学习一下

xxxgitone added the 小知识点 label

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