摘要：
javascript 定义数组 ：var myArray = new Array(1,2,3,4,) //普通方式var myArray = new Array(20) //20个元素var myArray = [1,2,3,4,5,6] //数组直接量Ext.getDom("wentao")等价于Ext.get("wentao").dom得到浏览器的宽高：Ext.lib.Dom.getViewWidth();Ext.lib.Dom.getViewHeight();得到某个Element的宽高：<div id="ux-taskbar&qu 阅读全文
