It is true that Daniel is more than
The Great God explains the following:
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.
Changxiling
Links: https://www.zhihu.com/question/19801131/answer/13005983
Source: Know
Copyright belongs to the author. Commercial reprint please contact the author for authorization, non-commercial reprint please specify the source.
function getinput (Options, callback) { alluserdata.push (options); // Make sure the callback is a function if (typeof callback = = = "function") { // call it, since we had confirmed it is Callab Le callback (options); }}
What is the callback function in jquery, the callback function (callback)?