MD5(JavaScript)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="https://cdn.bootcss.com/blueimp-md5/2.10.0/js/md5.min.js"></script>
</head>
<body>
<form action="#" method="post">
<p>
<span>用户名：</span><input type="text" id="username" name="username" required>
</p>
<p>
<span>密码：</span><input type="password" id="password" name="password" required>
</p>
<button type="button" onclick="aaa()">提交</button>
</form>
<script>
function aaa() {
var uname = document.getElementById('username');
var pwd = document.getElementById('password');
console.log(uname.value);
console.log(pwd.value);
pwd.value = md5(pwd);
console.log(pwd.value);
}
</script>
</body>
</html>