我现在使用材料设计精简版的材料组件进行样品登录窗口。当我击中输入键时,我想单击登录按钮。
<!DOCTYPE html>
<html>
<head>
<!-- Material Design Lite -->
<script src="https://code.getmdl.io/1.3.0/material.min.js"></script>
<link rel="stylesheet" href="https://code.getmdl.io/1.3.0/material.indigo-pink.min.css">
<!-- Material Design icon font -->
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
</head>
<style>
form#loginSection{
padding: 30px;
position:absolute;
top:50%;
left:50%;
background:white:;
transform:translate(-50%, -50%)
}
</style>
<body>
<form id="loginSection" class="mdl-shadow--2dp">
<p>Log in to your Account</p>
<div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label"id="itsme">
<input class="mdl-textfield__input" type="text" id="Accountid">
<label class="mdl-textfield__label"for="Accountid">Email</label>
</div></br>
<div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label" >
<input class="mdl-textfield__input" type="text" id="Accountid">
<label class="mdl-textfield__label"for="Accountid">Password</label>
</div></br>
<button class="mdl-button mdl-js-button mdl-button--raised mdl-button--colored mdl-js-ripple-effect" type="submit" onclick="alert('clicked')">Log in</button>
<button class="mdl-button mdl-js-button mdl-button--colored" type="button">Forgot Password?</button>
</form>
</body>
</html>
我尝试了此代码,该代码将类型属性设置为"提交"。它没有犯任何错误,但是当我击中Enter键时,我想让它 ripple 。我如何以连锁效果给出该按钮点击效果?
您正在使用button
上的错误类用于波纹。用mdl-js-ripple-effect
替换mdl-button--ripple-effect
。该框架在mdl-js-ripple-effect
中使用了与mdl-ripple
类的内联元素。
和在单击时实现波纹的订单,您需要收听文档事件的 onkeydown 并单击。
。所以,是:
var btn = document.getElementById('btn');
document.body.onkeydown = function(e) {
if (e.keyCode == 13) btn.click();
};
<!DOCTYPE html>
<html>
<head>
<!-- Material Design Lite -->
<script src="https://code.getmdl.io/1.3.0/material.min.js"></script>
<link rel="stylesheet" href="https://code.getmdl.io/1.3.0/material.indigo-pink.min.css">
<!-- Material Design icon font -->
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
</head>
<style>
form#loginSection {
padding: 30px;
position: absolute;
top: 50%;
left: 50%;
background: white:;
transform: translate(-50%, -50%)
}
</style>
<body>
<form id="loginSection" class="mdl-shadow--2dp">
<p>Log in to your Account</p>
<div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label" id="itsme">
<input class="mdl-textfield__input" type="text" id="Accountid">
<label class="mdl-textfield__label" for="Accountid">Email</label>
</div>
</br>
<div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label">
<input class="mdl-textfield__input" type="text" id="Accountid">
<label class="mdl-textfield__label" for="Accountid">Password</label>
</div>
</br>
<button class="mdl-button mdl-js-button mdl-button--raised mdl-button--colored mdl-button--ripple-effect mdl-js-ripple-effect" type="submit"><span class="mdl-ripple"></span>Log in</button>
<button id='btn' class="mdl-button mdl-js-button mdl-button--colored" type="button">Forgot Password?</button>
</form>
</body>
</html>