The embodiment of functional programming in JavaScript--map and reduce

Recently learning JavaScript, in the middle see map and reduce method, feel very interesting, learn to write this blog.Both of these functions embody the idea of functional programming to some extent, and the function is passed as an argument to

"Translate" 3 ways to define a JavaScript class

This article really does not have any difficulty, I am in order to test my English level degenerated not haha although my English originally had the dregs to translate also like plain English. Will read the original version of the code after the

[Effective JavaScript note] 46th: Use arrays instead of dictionaries to store ordered collections

object property UnorderedThe JS object is a collection of unordered attributes.var obj={};obj.a=10;obj.b=30;attribute A and attribute B do not have anyone who said it before. For...in loops, it is possible to output which properties first.Getting

JavaScript operators--relational operators

xTable of Contents [1] identity [2] equal [3] greater than [4] less than the preceding wordsThe relational operator is used to test the relationship between two values, and returns TRUE or false depending on whether the relationship exists, and the

Enrich your JavaScript class library

Enrich your JavaScript library each good developer will form its own class library, and as a Java developer, we will also write a bunch of tools to simplify our development efforts. But as a full-station siege Lion, not just understand the formation

[Effective JavaScript note] 37th: Recognize the implicit binding problem for this variable

Csvreader Sample RequirementsCSV (comma-separated value) file format is a simple text representation of tabular data张三,1982,北京,中国小森,1982,东京,日本吉姆,1958,纽约,美国You now need to write a simple, customizable class that reads CSV data. The separators here

List of JavaScript development tools

If there are no tools, developing JavaScript programs is a very painful thing, ie always gives super fuzzy error hints, basically to solve the problem is no help.If you have tools to help, it would be a great pleasure to develop a JavaScript program

How the JavaScript Neutron class inherits the parent class

Reference Nanyi's article: http://javascript.ruanyifeng.com/oop/inheritance.html#toc4functionShape () { This. x = 0; This. y = 0;} Shape.prototype.move=function(x, y) { This. x + =x; This. Y + =y; Console.info (' Shape moved.

JavaScript faces the object. First article

Javascript, there are two kinds of development modes:1. Functional (procedural) 2. In the face of objects (OOP), there is a flag in the face of object language, that is, a class, and through a class you can create any number of properties and

JavaScript: Drawing with Canvas

1. Basic usageTo use the element, you must first set its width and Height properties, specify the size of the area that can be plotted, and the content that appears in the end tag after the start is the fallback information that is displayed if the

Reason analysis and resolution of parseint ("08") and "09" in JavaScript return 0

Today in the program appeared a bugger, debugging for a long time, finally found that the original is the problem.An experiment was done:Alert (parseint ("01")), when this value is 01==== "07 o'clock is normal, but in" 08 "," 09 "will return 0(This

You don't have to be right. JavaScript closed-Face questions

The question of the face that evolved from workThis is a problem I encountered in the work, it seems very interesting, as a question to interview, found that almost no one can answer all the answers and say why, then take out a chat.First look at

Basic concepts of HTML and vpn

Basic concepts of HTML and vpnWhat is HTML? HTML is a language used to describe web pages. HTML refers to the hypertext markup language (HYperTExtMArkupLAnguage) HTML is not a programming language, but a markup language) A markup language is a

Head First HTML and CSS-layout and positioning, headcss

Head First HTML and CSS-layout and positioning, headcss 1. flow is used by browsers to place HTML elements on pages. For block elements, the browser displays each element one by one from top to bottom along the element stream, and adds a line

A complete example of the typewriter effect implemented by JS, and a js typewriter instance

A complete example of the typewriter effect implemented by JS, and a js typewriter instance This article describes the typewriter effect implemented by JS. We will share this with you for your reference. The details are as follows: JS

Parse the AJAX cache mechanism on the browser side and parse the ajax Cache Mechanism

Parse the AJAX cache mechanism on the browser side and parse the ajax Cache Mechanism The AJAX cache is maintained by the browser. For a url sent to the server, ajax only interacts with the server during the first request. In subsequent requests,

JavaScript imitation flash mask animation effect, javascript mask

JavaScript imitation flash mask animation effect, javascript mask This article provides examples of how to implement the JavaScript imitation flash mask animation for your reference. The details are as follows: imitation flash mask animation

Abbreviated Javascript Condition Statement (recommended) and short javascript statement

Abbreviated Javascript Condition Statement (recommended) and short javascript statement Many abbreviated conditional expression statements are often seen in the code of cool people everywhere. After reading some articles about this, I think3 ways 2

JavaScript to open a simple example of the link page, javascript Link

JavaScript to open a simple example of the link page, javascript Link In addition to the common method of link on the page, if javascript is used, there are many other methods. Below are some methods of using javascript to open the link: 1. Use the

Css3 is a beautiful peach animation, and css3 is a beautiful peach animation.

Css3 is a beautiful peach animation, and css3 is a beautiful peach animation. View results:Http://hovertree.com/texiao/css3/26/Download source code:Http://hovertree.com/h/bjaf/ndhxgfkn.htmAs follows:The Code is as follows: CSS3's beautiful

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