JS原生利用正则去除字符串前后的空格:
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
</body>
<script>
function trim(str){
return str.replace(/(^\s{0,})|(\s{0,}$)/g,"");
}
console.log(trim(" 你好呀程序狗 "));
</script>
</html
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