callback pattern

In Javascrip, a function is a built-in class object, which means that it is a type of object that can be used for the management of built-in objects just like other objects of the string, Array, number, and object classes. Because the function is

Directory of this article: What is a callback or advanced function How the callback function is implemented Basic principles for implementing callback functions The problem and solution of the callback to Hell To implement your

The vast number of netizens read my previous discussion of the JavaScript principle this article is easy to understand The callback function comes from a well-known programming paradigm-functional programming, at the basic level, functional

http://blog.csdn.net/luoweifu/article/details/41466537In Javascrip, a function is a built-in class object, which means that it is a type of object that can be used for the management of built-in objects just like other objects of the string, Array,

Original: http://javascriptissexy.com/ In Javascrip, a function is a built-in class object, meaning that it is a type of object that can be used as an object in the management of a built-in object as other objects of string, Array, number, and

In JavaScript, functions are the first class of objects, which means that functions can be used like objects in the first class of management. Since functions are actually objects: they can be "stored" in variables, can be passed as function

What is a callback function (callback)Module A has a function foo, he passes the address of Foo to module B, and then a certain event occurs in B, by calling Foo from the address of Foo that is passed from a, informing a about what has happened and

callback function Since the function is the same as any data that is assigned to a variable, she can, of course, be defined, deleted, copied, and passed as arguments to other functions, as is the case with other data.We define a function that

callback function Since the function is the same as any data that is assigned to a variable, she can, of course, be defined, deleted, copied, and passed as arguments to other functions, as is the case with other data.We define a function that

　　function is also an object To figure out the callback function, first clearly understand the rules of the function. In JavaScript, a function is rather strange, but it is indeed an object. Rather, a function is an object created with a function ()