有如下结构
<div>
<p>1</p>
<div>
<p>2</p>
<div>
<p>3</p>
<div>
<p>4</p>
</div>
</div>
</div>
</div>现在的情况是 <p>4</p>外面到底有多少层div不确定如果得到<p>4</p>
<div>
<p>1</p>
<div>
<p>2</p>
<div>
<p>3</p>
<div>
<p>4</p>
</div>
</div>
</div>
</div>现在的情况是 <p>4</p>外面到底有多少层div不确定如果得到<p>4</p>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script type="text/javascript" src="http://code.jquery.com/jquery-latest.js"></script>
</HEAD> <BODY>
<script> $(function (){
$('#btn').click(function (){
$('div').each(function (){
if(this.parentNode.tagName=='DIV'){
var div=this.getElementsByTagName('div');
if(div.length>0){
return true;
}
else{
alert(this.innerHTML);
}
}
})
})
}); </script>
<div>
<p> 1 </p>
<div>
<p> 2 </p>
<div>
<p> 3 </p>
<div>
<p> 4 </p>
</div>
</div>
</div>
</div> <input type="button" id='btn' value='click me' /> </BODY>
</HTML>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script type="text/javascript" src="http://code.jquery.com/jquery-latest.js"></script>
</HEAD> <BODY>
<script> $(function (){
$('#btn').click(function (){
$('div').each(function (){
if(this.parentNode.tagName=='DIV'){
var div=this.getElementsByTagName('div');
if(div.length>0){
return true;
}
else{
alert(this.innerHTML);
}
}
})
})
}); </script>
<div>
<p> 1 </p>
<div>
<p> 2 </p>
<div>
<p> 3 </p>
<div>
<p> 4 </p>
</div>
</div>
</div>
</div> <input type="button" id='btn' value='click me' /> </BODY>
</HTML>
$("#id")
不这样做就浪费点新能
var arr = $("p");
var p;
for(var i=0;i<a.length;++i)
if(arr[i].val()== "4"){
p = arr[i];
return;
}
但是这个结构变成这样呢<div>
<p> 1 </p>
<div>
<p> 2 </p>
<div>
<p> 3 </p>
<div>
<p> 4 </p>
</div>
</div>
</div>
</div>
<div>
<p> 5 </p>
<div>
<p> 6</p>
<div>
<p> 7 </p>
<div>
<p> 8 </p>
</div>
</div>
</div>
</div>
如何返回一个jquery对象
这个对象包含[<p>4</p>,<p>8</p>]
返回一个数组,包含了你要的