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我不知道什么是错误的,但悬停功能,因为我写在这里保持甚至当我没有悬停按钮。我知道有一种更简单的方式来悬停一个对象,但我正在学习基础知识,所以这将有助于弄清楚我的确切代码有什么问题。手动悬停功能在javascript
<head>
<style>
.tabStrip {
background-color: #E4E2D5;
padding: 15px;
height: 22px;
width: 130px;
margin: auto;
}
.tabStrip div {
float: left;
font: 14px arial;
cursor: pointer;
}
.tabStrip-tab {
padding: 5px;
}
.tabStrip-tab-hover {
border: 1px solid #316AC5;
background-color: #C1D2EE;
padding: 4px;
}
.tabStrip-tab-click {
border: 1px solid #facc5a;
background-color: #f9e391;
padding: 4px;
}
</style>
</head>
<body>
<div class="tabStrip">
<div data-tab-number="1" class="tabStrip-tab">Tab1</div>
<div data-tab-number="2" class="tabStrip-tab">Tab2</div>
<div data-tab-number="3" class="tabStrip-tab">Tab3</div>
</div>
<div id="descContainer"></div>
<script>
function handleEvent(e) {
var target = e.target;
switch (e.type) {
case 'mouseover':
if (target.className == 'tabStrip-tab') {
target.className = 'tabStrip-tab-hover';
}
break;
case 'mouseout':
if (targer.className == 'tabStrip-tab-hover') {
targer.className = 'tabStrip-tab';
}
break;
case 'click':
if (target.className == 'tabStrip-tab-hover') {
target.className = 'tabStrip-tab-click';
var num = target.getAttribute('data-tab-number');
showDescription(num);
}
break;
}
}
function showDescription(num) {
var descContainer = document.getElementById('descContainer')
var text = 'description for tab ' + num;
descContainer.innerHTML = text;
}
document.addEventListener('mouseover', handleEvent);
document.addEventListener('mouseout', handleEvent);
document.addEventListener('click', handleEvent);
</script>
</body>
'target!== targer' – Teemu