What is a callback function (callback)? -Know

Changxiling, A geeky nerd.

You go to a shop to buy things, just what you want to have no goods, so you left your phone in the shop clerk, after a few days the store has goods, the clerk called you, and then you received a call to the store to pick up the goods.

In this example, your phone number is called a callback function, you leave the phone to the clerk called the registration callback function, the store later in the goods called triggered the callback associated event, the clerk called you called Call callback function, you go to the store to fetch goods called response callback event. The answer is complete.

Source: http://www.zhihu.com/question/19801131

What is a callback function (callback)? -Know