selector if string length zero set to null #1
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var t:ASQueryObject = $("").find( vo.display_object_name );
我在做新手引导的时候有的时候会在配置表中将 selector选择器 那个配置字段设置为空,例如下面:
<sub_step id="1" x="271.5" y="318" time_duration="0.6" display_object_name="C11000005" parent_name=""/>
建议加上selector的判断。。这样如果为空就从stage开始查询
public function $(selector:* = null,root:DisplayObjectContainer = null,onlyChild:Boolean = false):ASQueryObject
{
return new ASQueryObject(root == null ? ASQueryConfig.stage : root,selector == null ? ASQueryConfig.stage : selector,onlyChild);
}