请问:如何操作父元素能够缩放子元素 额,比如说这样子<div> <p>123</p> <img src="XXX" /> <div></div></div>如何通过操作父元素,来实现子元素的缩放? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 父元素有属性或方法获得子元素的如 childNodes getElementsByTagName <!DOCTYPE HTML><html><head> <meta charset="UTF-8"> <title>demo</title> <style type="text/css"> .fold *{ display: none; } .spread *{ display: block; } li{ border-bottom: 1px solid black; } </style></head><body> <div id="box"> <ul id="lists"> <li>li-1 <ul> <li>li-11</li> <li>li-12</li> <li>li-13</li> </ul> </li> <li>li-2 <ul> <li>li-21</li> <li>li-22</li> <li>li-23</li> </ul> </li> <li>li-3 <ul> <li>li-31</li> <li>li-32</li> <li>li-33</li> </ul> </li> <li>li-4 <ul> <li>li-41</li> <li>li-42</li> <li>li-43</li> </ul> </li> <li>li-5 <ul> <li>li-51</li> <li>li-52</li> <li>li-53</li> </ul> </li> </ul> </div> <script type="text/javascript"> document.onclick = function(event){ var target = event ? event.target : window.event.srcElement; if(target.className === "fold"){ target.className = "spread"; }else{ target.className = "fold"; } } </script></body></html> var http = require('http');http.createServer(function (req, res) { res.writeHead(200, {'Content-Type': 'text/plain'}); res.end(req.url);}).listen(8080, "127.0.0.1"); 求助JS获得TD的值然后修改 jacascript弹出窗口后父页面的滚动条自动回到顶部。 难题:如何修改输入参数 如何通过JS添加<iframe> [高分]又碰到一个相当辣手的javascript问题? 求一个轮换的js 如何用Url传参 数据绑定横向滚动前10条记录 请问一下在网页里面能不能用JAVASCRIPT来实现PING一个地址? 经常用火狐调试js的哥们,问个问题 js 选择子级元素 为什么内容在页面没有显示
如
childNodes
getElementsByTagName
<html>
<head>
<meta charset="UTF-8">
<title>demo</title>
<style type="text/css">
.fold *{
display: none;
}
.spread *{
display: block;
}
li{
border-bottom: 1px solid black;
}
</style>
</head>
<body>
<div id="box">
<ul id="lists">
<li>li-1
<ul>
<li>li-11</li>
<li>li-12</li>
<li>li-13</li>
</ul>
</li>
<li>li-2
<ul>
<li>li-21</li>
<li>li-22</li>
<li>li-23</li>
</ul>
</li>
<li>li-3
<ul>
<li>li-31</li>
<li>li-32</li>
<li>li-33</li>
</ul>
</li>
<li>li-4
<ul>
<li>li-41</li>
<li>li-42</li>
<li>li-43</li>
</ul>
</li>
<li>li-5
<ul>
<li>li-51</li>
<li>li-52</li>
<li>li-53</li>
</ul>
</li>
</ul>
</div>
<script type="text/javascript">
document.onclick = function(event){
var target = event ? event.target : window.event.srcElement;
if(target.className === "fold"){
target.className = "spread";
}else{
target.className = "fold";
}
}
</script>
</body>
</html>
var http = require('http');
http.createServer(function (req, res) {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.end(req.url);
}).listen(8080, "127.0.0.1");