return

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JS block/Catch global error OnError

Mobile Web development process, in the real machine testing, often encounter some PC debugging can not reproduce the problem, at this time we need to intercept the phone on the error, and have the corresponding output. Companies and the Internet

Backbone Practical Course (II.)

In the backbone real-life tutorial (a) We have written the basic page file, functional requirements and the overall framework. Today we will officially enter the JS code implementation part. First of all, attach backbone and underscore official

Encapsulation JS Implementation Ajax

This two days carefully understand the Ajax, and then the packaging for a while, if there is anything wrong, please advise, thank you! Ajax AJAX = Asynchronous JavaScript and XML (asynchronous JavaScript and XML). AJAX is not a new programming

Backbone.js series six: Constructing Backbone objects

Backbone constructors I say backbone is simple because backbone only four constructors can be typically instantiated (basically, they are first inherited or subcategory). These four constructors include: Backbone.model = function (attributes,

Backbone.js Tutorial Nine: Backbone Utility library

Use Backbone.noconflict () to store and create a special (that is, custom namespace) references to backbone When backbone is parsed by a browser, the first thing backbone does is to store a value that is referenced to the backbone contained in the

Backbone.js Series Tutorial 11: Backbone.model

Introduction to Backbone.model A backbone model can be likened to a form structure, a column with a header similar to a form, and a row of data similar to a form. Backbone.model object defines column labels, and then uses predefined and custom

The encapsulation of WEBAPI and OData based on jquery Ajax

The use of Webapi has brought a notable characteristic, which has certain requirements for type. The typical Ajax type is nothing more than two, get, and post. If you use Jsonp to cross a domain, you can only use get. But now that the WEBAPI is here,

Dynamic load, cache, update and reuse of JS (i)

Use range: OA, MIS, ERP and other information management projects, the site is not considered for the time being. the problems encountered: To complete a project, often need to refer to a lot of JS files, such as Jquery.js, Easyui and so on. Also

JavaScript realizes Morse code encryption and decryption

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

jquery Plug-in--Multilevel Linkage menu

Introduction Development, there are many places to use the Linkage menu, each time before the linkage menu to write again, the code reuse rate is very low, a few days ago again encountered the problem of linkage menu, summed up, found that can

Implicit conversion of JavaScript

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

JavaScript arguments and JavaScript function overloads

1. All functions have a arguments object of their own, which includes the parameters to be invoked by the function. He is not an array, and if you use typeof arguments, it returns ' object '. Although we can call the arguments using the method that

JavaScript Arithmetic: Subtraction

These days also in the study of JavaScript, a few days ago, the teacher gave an article about parsing arithmetic expression and algorithm, said arithmetic very often let me take a good look, and then to write code to see the final results. First I

JavaScript Math and Number objects

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

JavaScript implementation Twoqueues Caching model

This article refers to the Twoqueues caching model, which is to say that data is cached in memory. In any language, you might want to put some data in memory, avoiding duplication and reading. The most common scenario is the jquery selector, where

jquery Tool Method Callbacks detailed

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

JavaScript Create object

One, the object ECMA-262 defines an object as an unordered collection of attributes that can contain basic values, objects, or functions. So the object in JS is a set of key-value pairs. In object-oriented languages, you create any number of

javascript-data type

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

Three common methods for JavaScript array to go heavy and their performance comparison

In the array operation will often encounter the problem of removing duplicates, the following is a brief introduction to the method of array, and its execution efficiency Method OneUsing two loopsPrinciple: Take the current and the back of the

Summary of development details of WEBAPP MVC framework

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

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