JavaScript

This article mainly introduces JS naming specification, annotation specification and some problems of framework development.Catalogue1. Naming conventions: Introduction of naming conventions for variables, functions, constants, constructors, members

JavaScript does not have the concept of class, but almost everything is object-based, but also to achieve inheritance, which is the biggest difference between JS and other OOP language, which is the most difficult to understand JS. Let me say my

The Math object, which provides a mathematical calculation of the data.Using the properties and methods of Math, the code is as follows:Run Results :3.14159265358979315Note: The Math object is an intrinsic object that you can call all of its

Date objects can store any date and can be accurate to milliseconds (1/1000 seconds).Define a Time object:Note : Use the first letter of the keyword New,date () to capitalize.Makes udate a Date object and has an initial value: The current time

The snow animation effect is implemented using canvas canvas in HTML5, which involves knowledge and computation of curve motion in physics.Index.htmlHtmllang="EN" >Head>Metacharset="UTF-8"

A detailed description of the motion framework implemented by JavaScript:The so-called motion framework simply means that a certain attribute value of an element can have a gradual change. The use of motion framework in the actual function has a

Below I will write a function to get the parameters of the Get method submissionfunctionGetParameter (parametername) {varString =Window.location.search; varIndexstart = String.IndexOf (parametername+ "="); if(Indexstart==-1) return false;

Recently read some of the HTML5 and JS aspects of the book, benefited, because see more things, but there is no how to do the meditation, slowly come, perhaps recently a little nervous. Today I share with you the Foreach method of JavaScript (in

IntroducedConstructors are familiar to everyone, but if you are a novice, it is necessary to understand what is called a constructor. Constructors are used to create objects of a particular type-not only the objects that are used, but also

I. Introduction to JavaScriptA historical review of 1.1 JavaScript.JavaScript was born in 1995. At the time, its main purpose was to handle some of the input validation operations handled by the server side. Before JavaScript is available, the form

When an event is triggered in JS, an event object is generated, that is, the events in the function handler, through which we can access all the information related to the event, such as the type of event, the event object, and so on. It is

Html: force display of the browser's scroll bar and browser scroll bar The browser's scroll bar is not required in some special presentations, so it must be hidden. This article mainly introduces the implementation code for hiding or displaying

HTML5 implements message and reply page styles and html5 message page styles I will not explain it in detail. I will directly go to the Code: web development -webkfa.com all messages pixing I want to ask the most popular tfboys

How to Use CSS to extract titles and use ellipsis to represent excess parts, css ellipsis How to extract titles using CSS and use ellipsis to represent excess parts: Many websites have this effect. When the news title is too long, a part is usually

Javascript generates random numbers that are not repeated, and javascript random numbers. Source of question: one test question when learning jQuery in MOOC. Initially: only five elements are displayed in the element, including the last element

Create a calendar control and a javascript calendar control using pure javascript In the past, the calendar control was used to download a set of source code directly from the internet. I always had a problem, that is, I wanted to write a calendar

Jquery. map () and jquery. map Similar to each, the prototype method map calls a static method of the same name, but the returned data must be processed by another prototype method pushStack. The source code is as follows: map: function( callback ) {

Calc () and CSS3calc () in CSS3 ()What is calc ()? Calc is the abbreviation of the English word calculate (calculation). It is a new feature of css3; MDN can be used in any length, value, time, angle, frequency, etc; /* Property: calc (expression)

Getting started with understanding JavaScript variables and getting started with javascript Variables are containers used to store information:   x=5; length=66.10; Do you still remember the Algebra I learned at school? When you recall the algebra

Javascript text vertical scrolling code, javascript text scrolling Javascript text vertical scroll code: The vertical scroll code is mostly used for functional structures such as website news announcements, links, and image display. The following