JavaScript

I. Safe type detectionJavaScript built-in type detection mechanism is not completely reliable, due to browser or scope and other reasons, often error occurs. As you know, calling the ToString () method on any value returns a string in [object Native

Sometimes we don't need a very powerful JavaScript template engine (such as jquery Tmpl or HANDLEBARSJS), we just need to bind some very simple fields in a simple template, this article will use very simple techniques to help you achieve this small

Read a lot of online articles, basically get a conclusion: some write class tool functions or framework of the writing class is essentially a constructor + prototype1. Use constructors to define class properties (fields).2. Define the method of the

Before today I always thought settimeout This function is asynchronous, inadvertently saw an article about settimeout, found that their previous understanding is all wrong, hurriedly summed up.Look at the code first:var start = new Date ();

This article reproduces the place http://www.2cto.com/kf/201409/331234.htmlLong time no writing, just recently because of work needs, wrote a waterfall stream asynchronous loading program.  Don't talk about the waterfall today, let's talk about the

Number of Digit OneGiven an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to N.For example:Given n = 13,Return 6, because digit 1 occurred in the following numbers:1, 10, 11, 12, 13.

a , how to create an array(1) created by the object's way. var a=new Array ();A. Direct Assignmentvar a=new Array ( element 1, Element 2, Element 3, Element 4,........) var a=new Array ( numeric ) If there is only one element, and this element is a

The JavaScript class is the default prototype object inheritance:var person = function () { this.name = "people"; This.hello = function () { console.log ("Hello User:" + this.name);} } var user = function () { this.name = "user";

The scope of a variableTo understand closures, you must first understand the special variable scope of JavaScript.The scope of a variable is nothing more than two kinds: global variables and local variables.The special point of the JavaScript

An important aspect of JavaScript events is that they have some relatively consistent characteristics that can provide more powerful capabilities for our development. The most convenient and powerful is the event object, they can help you deal with

Reprint: http://www.cnblogs.com/rushoooooo/archive/2011/05/01/2033670.htmlJavaScript gets the size of the screen, browser window, browser, Web page height, widthWeb page Visible area width: document.body.clientWidthWeb page Visible Area height:

Css3 clock creation, css3 clock Knowledge about clock preparation: I. Calculation of point coordinates on a circle Ii. Conversion of the hour, minute, and second hands on the clock Let's look at the clock. The first thing we think of isAngle.

Javascript calls different style sheet methods based on the iphone screen direction, javascriptiphone This example describes how to use javascript to call different style sheets on the iphone screen. Share it with you for your reference. The

Javascript event object When an event is triggered in js, an event object is generated, that is, the event in the function processing program. With the event, we can access all event-related information, such as the event type and event occurrence

What is the difference between border: 0 and border: none? bordernone What is the difference between border: 0 and border: none:If you set the border of an object to border: 0 and border: none, the border can be canceled. The code example is as

Node. js Study Notes 02 Implementing flow controlLike other languages, it is inevitable that Node. js organizes code and writes clean code when writing code. At the same time, due to the natural characteristics of Node. js (asynchronous and

2048 Games Written in Javascript, javascript2048 Last year, 2048 was very popular, and I had never played it. My colleagues said that if I use JS to write 2048, I only needed more than 100 lines of code; I tried it today, and the logic is not

Native JS form submission validatorsI. preface a series of Form submission pages, such as login, were recently developed for a new project. After careful discussion, we decided not to use popular external frameworks, such as bootstrap. Since I am

Use Bootstrap v3.3.4 to pay attention to the details of box-sizing and v3.3.4box-sizingI. bootstrap Style In Bootstrap v3.3.4, there is the following reset style: * { -webkit-box-sizing: border-box; -moz-box-sizing: border-box;

A deep understanding of the design pattern of javascriptDesign Mode The design pattern is a general design structure that is useful for reusable object-oriented design. Design patterns determine classes and their entities, their roles and