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A brief analysis of types and objects in JavaScript

JavaScript is object-based, and any element can be regarded as an object. However, types and objects are different. In this article, in addition to discussing some characteristics of types and objects, more importantly, we study how to write good and reus

2025-01-17
HTML5 WebGL implements civil aviation flight monitoring system

Preface I was on a business trip a few days ago and saw the overhead monitoring panel on the plane. In addition to playing TV series and advertisements, it would also switch to a monitoring system for aircraft navigation from time to time. However, the en

2025-01-17
Code to implement simple arrow icon using div+CSS in HTML

In web design, we often use some arrows as decoration to embellish our web pages. Although many website designers now like to use font icons to achieve the effect of arrows, this will also give There is some impact on the loading of web pages. Today, the

2025-01-17
JS small function (checkbox realizes all selection and all cancellation) example code

Effect: Code: Copy the code. The code is as follows: <head runat="server"><title></title><script type="text/javascript">window.onload = function () {var ckall

2025-01-17
JS small function (onmouseover implements month selection) example code

Effect: Code: Copy the code. The code is as follows: <head runat="server"><title></title><style type="text/css">#backcolor{width: 400px;height: 400px;backgrou

2025-01-17
Use Canvas to draw an unclosed circle with a progress bar

Final rendering 1. Define variables to define radius, define ring thickness, define circle center position, and define default fill color let radius = 75let thickness= 10let innerRadius = radius - thicknesslet x = 75let

2025-01-17
8 common mistakes novices make when writing CSS

In general, the most common error in CSS is that the attribute names in the style and HTML are inconsistent. As a result, the style is obviously written, but it has no effect.

2025-01-17
What are static web pages and dynamic web pages?

Whether the program is running on the server side is an important sign. Programs, web pages, and components running on the server are dynamic web pages. They will return different web pages with different clients and at different times, such as ASP, PHP,

2025-01-17
Implementation of Canvas image segmentation effect

When I was browsing CSSDesignAwards, I found an effect that splits the image content (website: https://weareludwig.com). You can click on it to have a look. It felt very cool, so I tried to implement it myself, and the effect was pretty good. . View the e

2025-01-17
How to implement the Web Notification desktop notification function in HTML5

Sometimes we will see such a prompt in the lower right corner of the desktop: This desktop prompt is the new Web Push Notifications technology of HTML5. Web Notifications technology enables pages to issue notifications that will be displayed at a system l

2025-01-17
Implementation of html5 colon delimiter alignment

<!DOCTYPE html><html><head> <meta charset=utf-8> <meta name=viewport content=width=device-width,initial-scale=1.0,

2025-01-17
Summary of javascript list box operation function collection

Copy the code code as follows: <script language="javascript">/* 列表框互相操作函数集 *///描述: 添加不重复列表框元素function selAdd( srcList, dstList ){var selectedI

2025-01-17
Example code for front-end implementation of background blur but clear and adaptive content

Let’s talk about the practical stuff without being verbose. Sometimes the front-end will encounter the requirement of blurring the background but requiring clear content. Let’s take a look at the effect first: The following is the specific implementation:

2025-01-17
HTML5 realizes mobile terminal barrage animation effect

Idea 1. Edit a single content, calculate its own width, and determine the initial position. 2. The moving distance is the width of the screen. 3. Dynamically add css animation functions in js, and use random number control codes for height, animation move

2025-01-17
Windows drawing program based on HTML5

The Windows Paint program has been accompanying all versions of Windows. This very simple, almost useless program has the most basic drawing functions and is very suitable for doodling. HTML5's Canvas object makes online drawing possible. Although HTM

2025-01-17

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