js 去除前后、前、后所有空格

    技术2022-07-10  140

    var strr=" 1 ad dertasdf sdfASDFDF DFG SDFG " // type 1-所有空格,2-前后空格,3-前空格,4-后空格 function trim(str,type){ switch (type){ case 1:return str.replace(/\s+/g,""); case 2:return str.replace(/(^\s*)|(\s*$)/g, ""); case 3:return str.replace(/(^\s*)/g, ""); case 4:return str.replace(/(\s*$)/g, ""); default:return str; } } console.log( trim(strr,1)) // "1addertasdfsdfASDFDFDFGSDFG" // 如只需要去除前后空格,可直接使用js的trim()方法: let str = " abcd "; str.trim() // "abcd"
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