JavaScript

This book is mainly elaborated from two parts: scope and Closure, this and object prototype.One-scope and closed-packet1-scopeFor JavaScript, most of the time the compilation occurs in a few subtle times before the code executes. Behind the scopes

function HashMap () {var length = 0;var obj = new Object ();This.isempty = function () {return length = = 0;};This.containskey = function (key) {Return (key)? (Key in obj): false;};This.containsvalue = function (value) {for (key in obj) {if (obj[key]

5 Getting Started with JavaScript5.1 IntroductionHTML: Responsible for Web page structureCSS: Responsible for Web page aestheticsJavaScript: Responsible for user interaction with the browser.5.2 Javacript.At 1994, Netscape developed the LiveScript

JS in a lot of functions, in the actual project development, the application of functions can greatly simplify our code, so write down in the development of JS common functions, enhance memory.1.IsNaN (X): The function is used to check whether its

1. History Properties First Interface Current page next page forward () forward an interface go (1) forward one interface a second interface back () back one interface go (-1) Back one interface 2. Location Properties3. Document Properties Sina 4.

The following is a blog from Nanyiclosures (closure) are a difficult and unique feature of the JavaScript language. Very many advanced applications rely on closures to implement them.Here is my study note, which is very useful for people who have

first, bubble sortvar arr = new Array (70,34,60,49,20,59,9,78,38,97);var ZJ = 0;//Intermediate variable//For the first time for the number of wheels to control the comparison, I represents the roundFor (Var i=1;i//control how many times each round

The object function provides a function called assign, which is used to merge multiple objects.Object.assign (...) ；You can pass multiple objects to the function, which has its own and enumerable properties that are copied to the first object.var a={

---restore content starts---Property: Length of long string Prototype the prototype object of a string Constructor a string constructor that returns the function string () Method: The charAt () parameter is an array of

jquery This write less does more framework, with more than will inevitably to the native JS above his business.       Side dishes actually do not want to write this blog, seemingly very elementary appearance, but see the network even the native JS

Recently, the closure has been re-learned, and it is found that there is no deep understanding of the scope chain before the closure can be truly understood after learning the scope chain.A closure is a function that is entitled to a variable in the

CSS 3 + javascript implements flip slides and CSS 3 flip pagesFirst cursor →   　　   

Using JS to operate on iframe Parent and Child (internal and external) pages This article mainly introduces how to use JS to operate on iframe Parent and Child (internal and external) pages, and shares it for your reference. Let's take a look at the

[HTML] inserts images and drive lights into the webpage , welcome to my homepage   Reference: http://blog.csdn.net/zhuyu19911016520/article/details/44080481

NodeJS implements the routing function instance code, and nodejs implements the routing instance Previous This article uses NodeJS to implement routing functions for complex applications Structure The project structure is as follows: The Code is as

Bootstrap input box component usage details, bootstrap Usage Details The usage of the Bootstrap input box component is as follows: . Input-group -- set div as the input box group; . Input-group-lg,. input-group-sm,. input-group-xs -- change the size

Talking about the functions of vue to implement data listening: Object. defineProperty and vuedefineproperty Many new APIs are added in ES5, such as Object. xxx-related methods, including an Object that defines properties. defineProperty (and Object.

Bootstrap Table (2), bootstraptable Related reading: Bootstrap Table use organization (1) http://www.bkjia.com/article/115789.htm Bootstrap Table use organization (3) http://www.bkjia.com/article/115795.htm Bootstrap Table use organization (4)

Tutorial on using filters in vue. js and tutorial on using vue. js Preface When you use vue for a project, the query function is of course essential, so you must use the powerful filter of vue. In fact, the two built-in attributes filterBy and

Detailed description and examples of the applet calendar component calendar Detailed description and examples of the applet calendar component calendar Template usage: src="../cal/calendar.wxml"> is="calendar"