去除空白字符串trim

Posted 2021-03-14 qjb2404

let str = ‘  foo  ‘
//去除开头空格
console.log(str.trimLeft())
console.log(str.trimStart())

//去除尾部空格
console.log(str.trimRight())
console.log(str.trimEnd())

//去除首尾空格
console.log(str.trim())