html实现记住账号、记住密码功能
效果图:
1.页面添加记住账号、记住密码多选框
<div class="remember" style="text-align: center;margin: 10px auto;">
<input type="checkbox" id="rem_username">记住账号
<input type="checkbox" id="rem_password">记住密码
</div>
2.编写js,监听用户名、密码输入框id
document.querySelector用户获取单个元素,addEventListener去监听多选框是否发生改变,判断是否进行填充用户名、密码。
<script type="text/javascript">
var u_name = document.querySelector('#username');
var u_pass = document.querySelector('#password');
var rem_username = document.querySelector('#rem_username');
var rem_password = document.querySelector('#rem_password');
if (localStorage.getItem('u_name')) {
u_name.value = (localStorage.getItem('u_name'))
rem_username.checked = true;
}
if (localStorage.getItem('u_pass')) {
u_pass.value = (localStorage.getItem('u_pass'))
rem_password.checked = true;
}
rem_username.addEventListener('change',function () {
if (this.checked) {
localStorage.setItem('u_name', u_name.value);
} else {
localStorage.removeItem('u_name');
}
})
rem_password.addEventListener('change',function () {
if (this.checked) {
localStorage.setItem('u_pass', u_name.value);
} else {
localStorage.removeItem('u_pass');
}
})
</script>