我正在開發一個登錄系統，您可以在客戶端散列密碼，然后將其發送到服務器。我已經獲取了密碼并對其進行了哈希處理，現在我只需要將其插入數據庫和/或比較登錄。    <form action="javascript:;" onsubmit="return changeFormLogin()">        <p>Email</p>        <input id="username" type="email" name="username" placeholder="Enter Email" required>        <p>Password</p>        <input id="getPass" type="password" name="password" placeholder="??????" required>        <input type="submit" name="login" value="Sign In">        <p id="demo"></p>    </form>    <script src="https://cdnjs.cloudflare.com/ajax/libs/js-sha256/0.9.0/sha256.min.js" ></script>    <script>        function changeFormLogin() {            var pass = document.getElementById('getPass').value;            var username  = document.getElementById('username').value;            var getSalt = 123566;            var hashpass = sha256(pass+pass);            console.log(hashpass);            var tmp = validateLogin(hashpass);            if(tmp ==1){                                        //Welcome the user back, and load new form            }            else{                //Tell them to try again, notify them.            }            document.getElementById("demo").innerHTML = hashpass; //Used for testing            return true;        }