$("div span")選取裏的所有的元素

node2:/var/www/html/js#cat a25.html <ul class="test"> <div id=test>aaaa</div> <div id=test>bbbb</div> <div id=test><span>cccc</span></div> </ul > <ul clas="tlcb"> <p id=scan>eeee</p> <a id=scan>ffff<

>>阅读原文<<