http://www.zhangxinxu.com/wordpress/2014/02/es6-javascript-promise-感性认知/
这篇文章讲的很透彻
http://www.zhangxinxu.com/study/201402/promise-1.html
http://www.zhangxinxu.com/study/201402/promise-2.html
http://www.zhangxinxu.com/wordpress/2014/02/es6-javascript-promise-感性认知/
这篇文章讲的很透彻
http://www.zhangxinxu.com/study/201402/promise-1.html
http://www.zhangxinxu.com/study/201402/promise-2.html