分别利用javascript的源码和jQuery来实现一个简单的选项卡，对比各自的步骤。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
div{
display:none;
width:50px;
height:50px;
border:1px solid red;
}
.active{
display:block;
}
.back{
background:red;
}
</style>
<script type="text/javascript" src="jquery-1.12.3.min.js"></script>
<script>
//javascript源码写
/*window.onload=function(){
var aInput=document.getElementsByTagName(‘input‘);
var aDiv=document.getElementsByTagName(‘div‘);
for(var i=0;i<aInput.length;i++){
aInput[i].index=i;
aInput[i].onclick=function(){
for(var i=0;i<aInput.length;i++){
aInput[i].className=‘‘;
aDiv[i].style.display=‘none‘;
}
this.className=‘back‘;
aDiv[this.index].style.display=‘block‘;
}
}
};*/
//jQuery写
$(function(){
$(‘input‘).click(function(){
$(‘input‘).attr(‘class‘,‘‘);
$(‘div‘).css(‘display‘,‘none‘);
$(this).attr(‘class‘,‘back‘);
$(‘div‘).eq($(this).index()).css(‘display‘,‘block‘);
});
});
</script>
<script>
</script>
</head>
<body>
<input type="button" value="1" />
<input type="button" value="2" />
<input type="button" value="3" />
<div class="active">111</div>
<div>222</div>
<div>333</div>
</body>
</html>
时间： 2024-08-24 22:59:46