Test for chrome extension

https://developer.chrome.com/extensions/getstarted https://crxdoc-zh.appspot.com/extensions/getstarted

https://developer.chrome.com/extensions/manifest

http://www.cnblogs.com/zhouliweiblog/archive/2012/09/24/2700039.html

http://www.cnblogs.com/guogangj/p/3235703.html#t9-1

Chrome Extension Overview: https://developer.chrome.com/extensions/overview https://crxdoc-zh.appspot.com/extensions/overview

chrome api: https://developer.chrome.com/extensions/api_index

chrome Developer's Guide: https://developer.chrome.com/extensions/devguide https://crxdoc-zh.appspot.com/extensions/devguide

chrome Debugging Tutorial: https://developer.chrome.com/extensions/tut_debugging

Content Scripts: https://developer.chrome.com/extensions/content_scripts

通信： https://crxdoc-zh.appspot.com/extensions/messaging

测试作用页面： http://www.bilibili.com/video/av5671447/?tg

html2canvas官网: https://html2canvas.hertzen.com/

html2canvas源码： https://github.com/niklasvh/html2canvas

使用 JavaScript 截屏 - 小胡子哥博客: http://www.barretlee.com/blog/2015/09/24/screenshot-with-javascript/

某截屏： https://github.com/xianglgd/imgCut http://www.pin5i.com/showtopic-22149.html

某不沾边的截屏源码，利用canvas（看起来只能以元素为单位，而非指定视觉位置截图）： https://github.com/niklasvh/html2canvas

webhek提供的Javascript网页截屏的方法： http://www.webhek.com/drawwindow

四火的唠叨提供的截屏方法： http://www.raychase.net/1152

用Javascript获取页面元素的位置： http://www.ruanyifeng.com/blog/2009/09/find_element_s_position_using_javascript.html