js超出部分省略号

zzyifan · 发表于 2013-2-7 15:12:44

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>js超出部分省略号</title></head><body><ol class="list"><li><a href="" title="0">aaaaaaaaaaa</a></li><li><a href="" title="1">神</a></li><li><a href="" title="2">神马</a></li><li><a href="" title="3">神马都</a></li><li><a href="" title="4">神马都是</a></li><li><a href="" title="5">神马都是浮</a></li><li><a href="" title="6">神马都是浮云</a></li><li>神马都是浮云</li></ol></body><script type="text/javascript">/* 字符串截取 */(function substr(num) {var obj,str,len;obj = document.getElementsByTagName("a");for (i = 0; j = obj.length, i < j; i++) {str = obj[i].innerHTML;len = str.replace(/[^\x00-xff]/g,'--').length;if(len > num){if(str.charCodeAt(0)>299){str = str.substr(0,num/2)+"...";}else{str = str.substr(0,num)+"...";}}obj[i].innerHTML = str;}})(10)</script></html>

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