<form action="https://www.baidu.com/" onsubmit="return fn()">
<input type="text" name="userName" />
<input type="password" name="passWord" />
<button type="submit" >点我</button>
</form>
<script>
function fn() {
var flag=true;
var myUserName = document.querySelectorAll("input")[0];
var myPassWord = document.querySelectorAll("input")[1];
if (myUserName.value == "zs") {
if (myPassWord.value == "0819") {
alert("验证成功");
return flag;
}
else {
flag = false;
alert("密码错误，请重新输入");
return flag;
}
}
else {
flag = false;
alert("用户名错误，请重新输入！");
return flag;
}
}
</script>
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转播
