JS截取字符串

<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions"%>

${fn:substring(baitong_notice.title,0,12)}

<s:iterator value="baitong_notice_list" id="baitong_notice" status="i">
			<div class="ranking_List<s:property value='%{#i.index+1}'/>">
				<a href="newsDetail.action?id=${baitong_notice.id}">
					${fn:substring(baitong_notice.title,0,12)} </a>
			</div>
		</s:iterator>