what to define

There are three ways to define the interface of JS:1. How to describe the annotationsAdvantages: The program can have a referenceCons: Still belong to the category of the document, this way is too loose, do not check the interface method is

We know the following two ways to define functions in javascript:function mm () {}This form declares a function, just as VAR declares a variable mechanism, and the script does a pre-compilation process before interpreting the execution.var mm =

How to define a method in JavaThe so-called method, which is used to solve a class of problems, is an orderly combination of code, is a functional module.In general, the syntax for defining a method is:650) this.width=650; "src=" http://img.mukewang.

JS Array definitionCollectionThere are four ways to define an arrayUsing constructors:var a = new Array ();var B = new Array (8);var c = new Array ("First", "second", "third");or array Direct volume:var d = ["First", "second", "third"];PropertyArray

This article mainly introduces the method that JavaScript uses function to define object and call, example analyzes function definition in JavaScript and relevant skill of using object and method, need friend can refer to The examples in this

How to define a component hotkey on a page I remember someone asking, how do I set a hotkey? In fact, as long as we pay careful attention, on many controls have a can be used to define the key on the page properties, it is "ACCESSKEY." For example,

Tag:http   io   os   ar   sp    Data    div   on    code     The Http://baike.baidu.com/view/69334.htm MAC (Media Access Control) address, or MAC location, is used to define the locations of network devices. In the OSI model, the third layer of the

Original article address 1. Difference Between struct and typedef struct Struct is the keyword of the struct. It is used to declare struct variables suchStruct student{Char num [10];Char name [20];Int age;}; Struct student stu [10] to declare a

(Transferred from: http://blog.csdn.net/yuzhiboyi/article/details/7696174)Recently, encountered a definition of the size of the method, similar to the definition of macro in C, in fact, have seen the use of this way, today there is time to record a

How to define Toast in Android) There is something in the Android system that is very useful and commonly used, that isToastHowever, if you use Toast for a long time, you will find that Toast has its own shortcomings: the form is single, only the

Use var in javascript to define the effect of variable pre-Compilation Note: The javascript syntax is very flexible. The flexible cost is that it can easily lead to nonstandard coding and unexpected running results. ECMAScript 5 introduces strict

in the JavaScript world, there are many ways to define a function, which is the embodiment of javascript flexibility, but it is the reason for beginners to be confused,Especially for students who have no language base. is so-called all the way to

The first type: Object impersonationfunction ClassA (scolor) { this.color = Scolor; This.saycolor = function () { alert (this.color); };} function ClassB (Scolor, sName) { this.newmethod = ClassA; This.newmethod (Scolor);

How to define a class in PHP. When you declare a class, do you need to list all the variables and all functions that the object should have? The attribute and method shows the composition of a class. note that in braces ({}), you can only declare a

This article describes how to define literal objects in json data format in PHP. This is a work und. json can also be used to generate arrays in classes, for more information, see This article describes how to define literal objects in json data

Basically all Java tutorials will tell us that the Java interface method is public, abstract type, no method body.But in the JDK8, you can break through the boundaries of the OH.Suppose we now have an interface: Timeclient, whose code structure is

The callback function is called by the caller. A callback function is a function called by a function pointer. If you pass the pointer (address) of a function as a parameter to another function, when this pointer is used to call the function to

For detailed usage of the PropertyGrid control, please refer to the literature:1. C # PropertyGrid Control application Experience2. C # Custom PropertyGrid propertiesFirst define a control to be displayed in the drop-down box:usingSystem;

There are two ways to define a property : Adorners: Applying adorners on methods Static fields are: Static fields that define values as property objects in a class Adorner mode: Apply @property adorner to ordinary method of

The geometry artboard is a kind of common mathematics software, its function is very many. Today we are going to show you how to define a coordinate system in a geometry artboard? Defining the coordinate system is the first command in the drawing