js弹出窗口输入字符串

<script>

var password = "测试字符串";

var answer = prompt("what's the password? ","默认值");

if (answer == password)

{alert("输入的字符串跟'测试字符串'相同");

}

else

{

alert("输入的js弹出框跟'测试字符串'不同");

}

</script>