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Summary of methods for creating custom objects in Javascript

There are many ways to create objects in Javascript. Object constructor/object literal: Putting aside the design pattern, the most basic method is to first call the Object constructor to create an object, and then add attributes to the object. The code co

2025-04-21
Get CLASS objects with native JS (very simple and practical)

I heard it is the most commonly used. . . . I thought of it after watching the dom programming art.

2025-04-20
Analysis of the difference between getYear() and getFullYear() in JS

The method of getting the current year in js is to get the year var dayObj=new Date(); dayObj.getYear() to get the year. I wrote before that there will be a problem with browser compatibility, that is, we can get the results we want in IE but it won't

2025-04-20
Instructions for using path.dirname method in node.js

Method description: Return the directory of path. Similar to UNIX directory commands. Syntax: Copy the code as follows: path.dirname(p) Since this method belongs to the path module, you need to introduce the path module (var path= require("path"

2025-04-20
How to deal with new Date() problem under ie8

<script> function getDays(strDateStart,strDateEnd){ var strSeparator = "-"; var oDate1; var oDate2; var iDays; oD

2025-04-20
HTML5 Canvas implements translation/scaling/rotating deom example (with screenshot)

Comment: HTML5 Canvas provides the graphics API to implement, through which you can simply realize translation, rotation, scaling, etc. Let me share with you the specific implementation of translation, rotation, scaling and reference pictures. Interested

2025-04-20
How to add a prompt to column in extjs

<script type="text/javascript"src="${pageContext.request.contextPath }/extjs/examples/simple-widgets/qtips.js"></script>

2025-04-20
Introduction and introduction to LokiJS in memory database implemented by JavaScript

LokiJS is an in-memory database that puts performance considerations first. LokiJS supports indexing and faster document access, with very good execution performance (nearly 500,000 OPS/sec). Its built-in DynamicView class can be used to index data subset

2025-04-20
Methods that declare functions and return values of calling functions in javascript

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <title></title>  <script type="text/javascript

2025-04-20
html5 Canvas drawing tutorial (3)—The reason for 1 pixel line blurring in canvas

Comment: Last time we mentioned that canvas sometimes have 1 pixel lines that are blurred and seem to be wider. Such lines are obviously not what we want. The purpose of this article is to figure out the principles and solve them. Interested friends can l

2025-04-20
HTML5 instance tutorial: Two ways to use aside tags

Wulin.com (www.vevb.com) Article Introduction: The aside element is used to represent the auxiliary information part of the current page or article. It can contain quotes, sidebars, advertisements, navigation bars, and other similar parts that are differe

2025-04-20
HTML Intermediate Tutorial Custom List

In the HTML beginner tutorial we taught unordered lists and ordered lists, unfortunately, much like Peter Cushing’s Ph.D. Who, custom lists are easily overlooked. Probably because custom lists require more settings and seem to be less useful than unordere

2025-04-20
Javascript API extension 4 of the raid HTML5 - Drag/Drop Overview

Drag/Drop is a very common feature. You can grab an object and drag it to the area you want to place. Many JavaScripts implement related functions similarly, such as the draganddrop component of jQueryUI. In HTML5, drag (draganddrop) to

2025-04-20
Build an instant communication system based on socket.io and node.js

Using socket.io and nodejs to build websocket server-side socket.io can not only build client websocket services, but also support nodejs server-side websockets. Let me introduce how to install and configure nodejs. Enter http://

2025-04-20
Improve the performance of SSL services in NodeJS

When browsing the internet, we all know that encryption via SSL is very important. At PayPal, security is our top priority. We use end-to-end encryption, not just our public websites, but also for our internal service calls. SSL encryption technology will

2025-04-20

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