js彈出窗口輸入字符串

    <script>
    var password = "測試字符串";
    var answer = prompt("what's the password? ","默認(rèn)值");
    if (answer == password)
    {alert("輸入的字符串跟'測試字符串'相同");
    }
    else
    {
    alert("輸入的js彈出框跟'測試字符串'不同");
    }
    </script>