<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>js '_"</title>
</head>
<body>
<script>
let o1 = '{'username': '166xxxx5257', 'passwordValidateInfo': '密码错误！'}';
let o2 = '{"username": "166xxxx5257", "passwordValidateInfo": "密码错误！"}';
let o3 = JSON.parse(o1.replace(/'/g, "\""));
console.log("o3:", o3);
// o3: {username: "166xxxx5257", passwordValidateInfo: "密码错误！"}
let o4 = JSON.parse(o2.replace(/"/g, "\""));
console.log("o4:", o4);
// o4: {username: "166xxxx5257", passwordValidateInfo: "密码错误！"}
</script>
</body>
</html>
