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The Backbone.router function is to manage routing. Backbone.history is part of a route that listens for and responds to URL changes, including updates to the browser's history. The Backbone.history () constructor is instantiated by the backbone

Speaking of operators, basically all kinds of programming languages will be involved, the use of similar methods. Here's a simple collation of JavaScript here today. In general, operators are still relatively much more, can be divided into the

Morse code is a time and time to break signal codes, in different order to express different English letters, numerals and punctuation, was invented by the American Samuel Morse in 1836.Each character (letter or number) corresponds to a different

The data type of JavaScript is divided into six types, null,undefined,boolean,string,number,object respectively. object is a reference type, and the other five are of the base type or the original type. We can use the TypeOf method to print out what

1. Math Object1.1 Introduction The Math object, which is a mathematical object, provides a mathematical calculation of the data, such as acquiring absolute value, rounding up, and so on. No constructors, cannot be initialized, provides only static

Agent Mode description Description: As the name implies is to use a class to replace another class to perform the method function, this pattern is somewhat similar to the decoration pattern, not the same, the proxy mode is to initialize the proxy

Date and Time objects1. Introduce Date object that is the object of the action date and time. A Date object can operate on dates and times only through methods.2. Constructor function2.1 New Date (): Returns the current local date and time

Let's start with how callbacks is used: the first example function A () {} Function B () {} var cb = $. Callbacks (); Cb.add (a); Cb.add (b); Cb.fire (); //You will execute the a method first and then execute the B method The above probably

Javasscript has 5 simple data types (also a basic data type): Undefined, Null, Boolean, number, String 1 of complex data types: Object The data type of all values in JavaScript is one of the above 6 types. So we need a way to detect what type of

Array arrays1. Introduce An array is an ordered collection of values. Each value is called an element, and each element has a position in the array, represented by a number, called an index. JavaScript arrays are untyped: array elements can be of

We understand that the IMG element loading failure can be performed as a function of the optimization scheme asynchronous, this article intends to do a more in-depth study of the loading behavior of IMG elements. Ii. related properties and events

1) Intro Not long ago I set up a technology group in a MM asked a question like this, she posted the code as follows: var a = 1;function hehe (){Window.alert (a);var a = 2;Window.alert (a);}Hehe (); The results of the execution are as follows:

4 issues related to this, new, call and apply The principle of this pointer is a very complicated question, and if we illustrate this from the implementation mechanism of this in JavaScript, many friends may become more and more confused, so this

In the previous "WebApp MVC," the "different" lightweight Internet application Development Framework describes the technical implementation of WEBAPP MVC and how to use it, and in this chapter it further sums up some of the details of using

First, the preface Because a very small project or a few pages but to catch up on jquery, of course, is not worth, gzip, at least, there are small dozens of K. In order to be able to operate the DOM conveniently, we need to write a lot of

When I was reading this article, I was reading "Dark Time" written by Mr. Liu Weipeng, and if you are lucky enough to see this blog, I hope you can also read this book. All right, gossip less, get to the point.The idea of generics and polymorphism

In JavaScript, the callback function is specifically defined as: function A is passed to another function B as an argument (a function reference), and this function B executes function A. Let's just say function A is called a callback function. If

JavaScript array Basic operations An array in JavaScript is a special object that represents the index of an offset as an attribute of the object, which may be an integer, but these numeric indices are internally converted to string types because

Programmers who are familiar with web development must not be unfamiliar with Ajax. Now there are many JS frameworks that encapsulate Ajax implementations, such as JQuery's Ajax functions, which are very handy to call. Of course this article does

Method one, using the remainder operator to judge Any integer will be divisible by 1, that is, the remainder is 0. Use this rule to determine whether an integer. function Isinteger (obj) {return obj%1 = = 0}Isinteger (3)//TrueIsinteger