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JS+CSS implements a complete example of a beautiful rounded corner special effect pop-up layer that can be dragged and dropped

This article describes the method of JS+CSS to implement a drag-and-drop beautiful rounded corner special effect pop-up layer. Share it for your reference. The specific details are as follows: Copy the code as follows:

2025-06-01
JavaScript asynchronous programming code writing specification Promise learning notes

My work has been a little easier recently. I remembered a word promise I always saw before, so I went down to study it patiently. 1: What is a Promise? Why is this thing there? First of all, Promise is created to solve the problem of code writing during a

2025-06-01
Analysis of Viewport tags and related CSS usage in HTML5 mobile development

This article mainly introduces the Viewport tags and related CSS usage analysis in HTML5 mobile development. Viewport is often called a viewport or viewport, and plays an important role in mobile layout and screen adaptation. Friends who need it can refer

2025-06-01
Methods of passing values between focus and anchor points in the page

This article describes the method of passing values between the focus of JavaScript components and intra-page anchor points. Share it for your reference. The specific analysis is as follows: The two small functions mentioned above are very useful on som

2025-06-01
How familiar are you with pure HTML tags?

The following HTML tags basically contain all existing tags. Take a few minutes to browse them one by one, and you may gain some rewards: : Comment tags are used to insert comments in source documents<!DOCTYPE> : Tell the browser which HTML or XHT

2025-06-01
html5 Transaction and executeSQL parsing of transaction functions of Web SQL Database

Comment: Use an example to illustrate the basic usage of Web SQL Database. It first calls openDatabase to create a database named "fooDB". Then use transaction to execute two SQL statements. The first SQL statement creates a name called "fo

2025-06-01
Improve page code modification efficiency and master the core knowledge of HTML language

When building a website, HTML language seems to be unimportant, but in fact, the more basic the knowledge is, the more important it is. Webmasters often go directly to the Internet to download a CMS system and then upload and install it, but they are help

2025-06-01
Introduction to the full name and function of html tag

Alphabetical DTD: Indicates which XHTML 1.0 DTD is allowed in. S=Strict, T=Transitional, F=Frameset. Tag

2025-05-31
How to lock input content cannot be edited and modified

How to lock the input content that cannot be modified?<input type=text size=60 name=j01 value=www.vevb.com> The method that locks value cannot be modified can use the disabled attribute... This is the basic property of the input control.

2025-05-31
Using html5 canvas to crack simple verification code and getImageData interface application

Comment: The canvas in HTML 5 has an interface getImageData that can be used to obtain pixel data from the verification code image. Each pixel has four values: r, g, b, a. r, g, b are red, green and blue, and a is transparency. After observing, let’s talk

2025-05-31
How to automatically rotate the background picture based on the mouse movement speed

This article describes the method of automatically rotating the background image based on the mouse movement speed. Share it for your reference. The specific implementation method is as follows: Copy the code code as follows:

2025-05-31
Introduction to the url type and email type of the input element

Comment: In the past, when we made web input boxes, we used a lot of JS verification. Now that we have the effect of HTML5 writing, it is no longer so troublesome. Let me introduce to you two new types of applications of HTML5 input. In the past, when we

2025-05-31
Zen Coding Easy and Fast HTML Writing

Zen Coding is a plug-in for text editors. In a text editor using Zen Coding, you can use short code to write regular HTML code, which greatly simplifies HTML writing. For example, the following HTML code: Copy code

2025-05-31
How to display Beijing time in real time by javascript

This article describes the method of displaying Beijing time in real time by javascript. Share it for your reference. The specific details are as follows: Beijing time is displayed in real time on this page, and changing the time zone can also be used to

2025-05-31
Google Developer Conference: More inclined to HTML5

Article introduction of Wulin.com (www.vevb.com): Android is absent! Google Developer Conference news compilation. On May 19, 2010, Google officially held the Google I/O conference at its headquarters in San Francisco, with more than 5,000 developers comi

2025-05-31

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