<!DOCTYPE html><html> <head> <meta charset="UTF-8"> <title></title> <style type="text/css"> #box>div{ width: 200px; height: 200px; float: left; border:1px solid; } .active{ background: blueviolet; } .clear_fix:after{ content: ''; display: block; clear: both; } .on{ background: blueviolet; } </style> </head> <body> <div? id='box' class='clear_fix'> <div? id='show' class='active on'>111</div> <div>222</div> <div>333</div> <div>4444</div> </div> </body> <script> var box = document.getElementById('box')? var divs = document.getElementsByTagName('div') var show = document.getElementById('show') for(var i=0;i<divs.length;i++){ ?? divs[i].onmouseover= function(){ ? ? this.className = 'active' } divs[i].onmouseout = function(){ this.className = '' } } </script></html>
鼠標移入時候子元素切換樣式，當(dāng)鼠標移除的時候還原默認樣式 怎么搞啊 ，求大神指導(dǎo)
A荒城
2018-03-07 19:19:24
