有这样一个格式的xml:
- <root serverTime="2011-12-30">
- <data>
<item idtypeid="1" idtypename="发票管理" subtypeid="200" subtypename="发票代开" />
<item idtypeid="1" idtypename="发票管理" subtypeid="201" subtypename="发票兑奖" />
<item idtypeid="1" idtypename="发票管理" subtypeid="202" subtypename="发票发售" />
<item idtypeid="1" idtypename="发票管理" subtypeid="203" subtypename="发票资格管理" />
<result code="0" desc="OK" />
</data>
</root>
怎样使用jq获取item的length?
- <root serverTime="2011-12-30">
- <data>
<item idtypeid="1" idtypename="发票管理" subtypeid="200" subtypename="发票代开" />
<item idtypeid="1" idtypename="发票管理" subtypeid="201" subtypename="发票兑奖" />
<item idtypeid="1" idtypename="发票管理" subtypeid="202" subtypename="发票发售" />
<item idtypeid="1" idtypename="发票管理" subtypeid="203" subtypename="发票资格管理" />
<result code="0" desc="OK" />
</data>
</root>
怎样使用jq获取item的length?
var len = $('item').length;
len就是长度