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去除字符串空格 #52

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Sunny-117 opened this issue Nov 3, 2022 · 0 comments

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Sunny-117 commented Nov 3, 2022

var str = ' as '
//方法1
str = str.replace(/\s*/g,"");//去除所有空格
str = str.replace(/^\s*|\s*$/g,"");//去除两头空格
str = str.replace(/^\s*/,"");//去除左边空
str = str.replace(/(\s*$)/g,"");//去除右边空格
//方法2：trim()方法：只能去除两边空格
function trim(str) {
  if (str && typeof str === "string") {
    return str.replace(/(^\s*)|(\s*)$/g, "");//去除前后空白符
  }
}
//方法3 jquery $.trim(str)

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