jquery 选择器 E
element匹配页面中所有element元素，返回匹配后结果集
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><script src="http://code.jquery.com/jquery-latest.js"></script> <script>$(document).ready(function(){ $("div").css("border","3px solid red");});</script><style>div,span { width: 60px; height: 60px; float:left; padding: 10px; margin: 10px; background-color: #EEEEEE;}</style></head><body><div>DIV1</div><div>DIV2</div><span>SPAN</span></body></html>
$("div").css("border","3px solid red")将匹配页面中所有的<div></div>,然后加上样式。
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