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javascriptDOM.html
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168 lines (158 loc) · 4.93 KB
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<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<style>
body {
margin: 0;
padding: 0;
}
dl {
margin: 0;
padding: 0;
}
dd {
margin: 0;
padding: 0;
}
dt {
background: #99cc00;
width: 350px;
margin-top: 1px;
font-size: 14px;
padding-left: 15px;
color: white;
font-weight: bold;
line-height: 31px;
cursor: pointer;
}
#main {
border: 12px solid #eeeeee;
padding: 5px;
margin: 40px auto;
width: 365px;
border-radius: 10px;
}
#list-first {
margin-top: 0;
}
dd {
padding-left: 15px;
color: white;
line-height: 26px;
margin-top: 1px;
background: deepskyblue;
font-size: 13px;
display: none;
}
.bg{
background: red;
}
a {
color: white;
text-decoration: none;
}
</style>
<script>
window.onload = function () {
var oDl = document.getElementsByTagName('dl');
var oDt = document.getElementsByTagName('dt');
var oDd = document.getElementsByTagName('dd');
var oBox = document.getElementById('main');
var Obj = [];
change(oDd, 'none');
for (var i = 0; i < oDl.length; i++) {
var ddLength = oDl[i].getElementsByTagName('dd').length;
oDt[i].innerHTML = oDt[i].innerHTML + '(' + ddLength + ')';
oDl[i].onclick = function () {
var DD = this.getElementsByTagName('dd');
Obj.push(this);
if (Obj.length >= 2) {
if (Obj[Obj.length - 1] == Obj[Obj.length - 2]) {
for (var i = 0; i < DD.length; i++) {
DD[i].style.display == 'none' ? DD[i].style.display = 'block' : DD[i].style.display = 'none';
}
} else {
change(oDd, 'none');
change(DD, 'block');
}
Obj.shift();
} else {
change(DD, 'block');
}
}
}
function change(obj, att) {
for (var i = 0; i < obj.length; i++) {
obj[i].style.display = att;
}
}
oBox.addEventListener('mousemove',function(ev){
var ev = ev || window.event;
var target = ev.target || ev.srcElement;
if( target.nodeName.toLowerCase() == 'a'){
if(target.parentNode.nodeName.toLowerCase() == 'dd' ){
target.parentNode.className = 'bg'
}
}else if( target.nodeName.toLowerCase() == 'dd'){
target.className = 'bg';
}
});
oBox.addEventListener('mouseout',function(ev){
var ev = ev || window.event;
var target = ev.target || ev.srcElement;
if( target.nodeName.toLowerCase() == 'a'){
if(target.parentNode.nodeName.toLowerCase() == 'dd' ){
target.parentNode.className = ''
}
}else if( target.nodeName.toLowerCase() == 'dd'){
target.className = '';
}
})
}
</script>
<body>
<div id="main">
<dl class="list" id="list-first">
<dt>第一课</dt>
<dd><a href="01/01.html">(1) 改变DIV样式属性</a></dd>
<dd><a href="01/02.html">(2) 改变页面样式属性</a></dd>
<dd><a href="01/03.html">(3) 传参</a></dd>
<dd><a href="01/04.html">(4) 循环改变DIV颜色</a></dd>
<dd><a href="01/05.html">(5) 鼠标移入改变颜色</a></dd>
<dd><a href="01/06.html">(6) 提示框</a></dd>
</dl>
<dl class="list" >
<dt>第二课</dt>
<dd><a href="02/01.html">(1) 输入法</a></dd>
<dd><a href="02/02.html">(2) 点击DIV显示HTML</a></dd>
<dd><a href="02/03.html">(3) 求和</a></dd>
<dd><a href="02/04.html">(4) 弹出层效果</a></dd>
<dd><a href="02/05.html">(5) 函数传参，改变DIV任意属性值</a></dd>
<dd><a href="02/06.html">(6) 鼠标移入改变透明度</a></dd>
<dd><a href="02/07.html">(7) 简易选项卡</a></dd>
<dd><a href="02/08.html">(8) 简易年历</a></dd>
<dd><a href="02/09.html">(9) 复选框</a></dd>
</dl>
<dl class="list" >
<dt>第三课</dt>
<dd>1111</dd>
<dd>2222</dd>
<dd>333</dd>
<dd>444</dd>
</dl>
<dl class="list" >
<dt>第四课</dt>
<dd>1111</dd>
<dd>2222</dd>
<dd>333</dd>
<dd>444</dd>
</dl>
<dl class="list" >
<dt>第五课</dt>
</dl>
</div>
</body>
</html>