JS练习_对已知账号密码验证进行登录

预览效果：

源码演示：

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Login</title>
  <script>
    function valid(){
      var pwd1 = document.getElementById("pwd").value;
      var pwd2 = "123456";
      var acc1 = document.getElementById("acc").value;
      var acc2 = "Mark";
    //  已被设置的账号与密码的验证
      if (pwd1 == pwd2 && acc1 == acc2)
      {
        document.getElementById("tishi").innerHTML="<font color = 'green'>登录成功</font>"
        document.getElementById("button").disabled = false;
      }
      else {
        document.getElementById("tishi").innerHTML="<font color = 'red'>登录失败</font>"
        document.getElementById("button").disabled = true;
      }
    }
  </script>
</head>
<body>
<div class="form">
  <label>账号</label>
  <div>
    <input type="text" class="form_1" name="acc" id="acc" placeholder="账号">
  </div>
</div>
<div class="form">
  <label>请输入密码</label>
  <div>
    <input type="password" class="form_1" name="pwd" id="pwd" placeholder="密码">
  </div>
</div>
<input type="button" value="登录" onclick="valid()">
<p id="tishi"></p>
</body>
</html>
posted @ 2021-12-12 22:11  博客zhu虎康  阅读(645)  评论(0)  编辑  收藏  举报