Question

jquery 获取 div 前三个a标签

<div class="slor" style="LEFT: -1650px; POSITION: relative">
<a href="/advert/adver_blank.jsp?adverID=776" target="_blank" title="高三数学提分"><img src="/upload/201411/1416560889526.jpg" style="LEFT:0px; POSITION: absolute; TOP:0px;" alt="高三数学提分" width="515px" height="230px" /></a>
<a href="/advert/adver_blank.jsp?adverID=753" target="_blank" title="胡正伟"><img src="/upload/201411/1415944413317.jpg" style="LEFT:515px; POSITION: absolute; TOP:0px;" alt="胡正伟" width="515px" height="230px" /></a>
<a href="/advert/adver_blank.jsp?adverID=752" target="_blank" title="化学提分找艾丁"><img src="/upload/201411/1415944312177.jpg" style="LEFT:1030px; POSITION: absolute; TOP:0px;" alt="化学提分找艾丁" width="515px" height="230px" /></a>
<a href="/advert/adver_blank.jsp?adverID=751" target="_blank" title="满分作文"><img src="/upload/201411/1415944216238.jpg" style="LEFT:1545px; POSITION: absolute; TOP:0px;" alt="满分作文" width="515px" height="230px" /></a>
</div>

Answer 1

//循环找到前3个
for(var i=0;i<3;i++){
  $('.slor a').eq(i).addClass('a');
}
//或者根据你这个的特殊情况，排除div下面的最后一个。
$('.slor a').not(':last').addClass('b');

追问

$(".slor").find("a").eq(i) 怎么把 我找到的这个对象替换成别的

追答

替换别的？什么意思？想替换什么？整个标签a都替换？

Answer 2

你可以试试下面这个

$("div[class='slor'] a").slice(0,3)