//我想通过Javascript来获取选定控件的长度和高度
//我写如下函数,可返回的值都是0,不知为何?
function getabb(obj)
{
var ary ;
ary[0] += obj.width;
ary[1] += obj.height;
return ary;
}
------解决方案--------------------------------------------------------
ary[0] = obj.offsetWidth;
ary[1] = obj.offsetHeight;