生成输入用户名和密码的登入页面,再统计当前在线人数,如果注销则更新当前在线人数
时间: 2024-05-29 16:11:45 浏览: 15
<!DOCTYPE html>
<html>
<head>
<title>Login Page</title>
</head>
<body>
<h1>Login</h1>
<form>
<label for="username">Username:</label>
<input type="text" id="username" name="username"><br><br>
<label for="password">Password:</label>
<input type="password" id="password" name="password"><br><br>
<input type="submit" value="Submit">
</form>
<p>Current Online Users: <span id="userCount">0</span></p>
<script>
// initialize user count to 0
let userCount = 0;
// increment user count when form is submitted
document.querySelector('form').addEventListener('submit', function(event) {
event.preventDefault();
userCount++;
document.getElementById('userCount').textContent = userCount;
});
// decrement user count when user logs out
document.querySelector('input[type="button"]').addEventListener('click', function() {
if (userCount > 0) {
userCount--;
document.getElementById('userCount').textContent = userCount;
}
});
</script>
</body>
</html>
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