说明：  Javascript中最常用的55个经典技巧，制作成了pdf文档，可一下看完，字体清淅，都含有代码，有些代码可复制到网页里运行看效果，这些示例有：彻底屏蔽鼠标右键、取消选娶防止复制，不准粘贴，在收藏夹中显示图标，删除时确认，取得控件的绝对位置，最小化、最大化、关闭窗口，在页面中如何加入不是满铺的背景图片,拉动页面时背景图不动，ENTER键可以让光标移到下一个输入框等。
(Javascript is the most commonly used 55 classic skills became pdf document, you can read about the font clear mission, contain code, some code running inside pages can be copied to see results, these examples are: completely shield Right to cancel when the election took to prevent copying, pasting not display icons in your favorites, confirm the deletion, obtain the absolute position control, minimize, maximize, close the window, how to join in the page background image is not paved, pulling page background image does not move, ENTER key allows the cursor to the next input box and so on.)