转自：张小俊128：http://www.html-js.com/articl..._luxiao：http://luxiao1223.blog.51cto.... js里的解释:A callback is a function that is passed as an argument to another function and is executed afte...
转自：张小俊128：http://www.html-js.com/articl..._luxiao：http://luxiao1223.blog.51cto.... js里的解释:A callback is a function that is passed as an argument to another function and is executed afte...
