input輸入密碼變黑點密文

input輸入密碼加密

html代碼

<form id="login-form" method="post" onsubmit="return checkForm()">
    輸入密碼<input type="password" id="input-password">
    <input type="hidden" id="md5-password" name="password">
    <button type="submit">Submit</button>
</form>

js代碼

function checkForm() {
    var input_pwd = document.getElementById('input-password');
    var md5_pwd = document.getElementById('md5-password');
    // 把用戶輸入的明文變為MD5:
    md5_pwd.value = toMD5(input_pwd.value);
    // 繼續下一步:
    return true;
}