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JS realizes the switching effect of green and white vertical web blinds animation

This article describes the effect of JS to achieve the animation switching effect of green and white vertical web blinds. Share it for your reference. The specific analysis is as follows: We explained the animation effect of a web blind switching, but it

2025-06-13
Various implementation methods for html text box (text) not available to read-only

Method 1:<input id= File1 type= text disabled/> Unable Method Two:<input id= File1 type= text readonly/> Read-only method three:

2025-06-13
Summary of the usage of postMessage in html5 cross-domain communication

Comment: This article provides a detailed summary of the usage of postMessage in html5 cross-domain communication. Friends who need it can come and refer to it. I hope it will be helpful to everyone postMessagePortal.html page code<!DOCTYPE html><title> t

2025-06-13
Use Sticker.js to achieve sticker effect

Sticker.js is a very small JavaScript library that allows you to create beautiful sticker effects in web pages. No dependencies (no need for jQuery) can work in most mainstream browsers that support CSS3. Below are simple usage examples, and more function

2025-06-13
Comprehensive application of HTML elementary tutorials

If you have browsed all the pages of the HTML Elementary Guide and finished learning the Elementary Guide, you are actually already a capable HTMLer. Actually, based on the fact that many people are pretty bad writing HTML, you should do better than them.

2025-06-13
Html5's placeholder attribute (IE compatible) implementation code

Placeholder is another attribute added to HTML5. When input or textarea sets this attribute, the content of this value will be displayed in the text box as a gray-word prompt. When the text box gains focus, the prompt text disappears. In the past, this ef

2025-06-13
The alt attribute and title attribute of the image IMG tag

Correct use of the alt text attribute and title attribute can not only improve the search ability of images, but also be very helpful for user experience. alt text replacement text is to provide text descriptions to viewers who cannot see the images in yo

2025-06-13
JS debugging series breakpoints and dynamic debugging [Basics]

The previous articles have introduced some basic knowledge of the js debugging series. This time, the garbled code brothers have brought you js breakpoints and dynamic debugging methods. Friends who need it can refer to the after-class exercises left yest

2025-06-13
Tips for setting HTML table borders

Below, the editor will bring you a tip for setting HTML table borders. The editor thinks it is quite good. Now I will share it with you and give you a reference. For many beginners of HTML, the table is<table> It is the most commonly used label, but many

2025-06-13
Canvas needs to directly define width and height in the tag

This article mainly introduces why canvas needs to directly define width and height in the tag. This test was specially done, which is very practical. It is recommended to friends. When drawing with canvas, they directly wrote width and height in the canv

2025-06-13
iframe child page operates the parent page and achieves the effect of blocking the page pop-up layer

Question: In index.html, iframe introduces son.html. How to click on an operation in son.html to block the entire page and pop up the layer to be displayed? Preparation: index.html son.html Ideas: 1: ifram in index.html

2025-06-13
A brief discussion on variable initialization in js

I wrote a function in js to remove the beginning and end spaces and specific characters. The code is as follows: Copy the code as follows: function trim(str, charlist) {return str.replace(new RegExp('^[//s'+charlist+']+|

2025-06-13
A deep understanding of JavaScript series (17): A detailed introduction to the introduction of object-oriented programming

In this article, we consider various aspects of object-oriented programming in ECMAScript (although this topic has been discussed in many articles before). We will look at these issues more from a theoretical perspective. In particular, we will consider t

2025-06-13
Example of UserMap in IMG

usemap is<img> An attribute of the tag that indicates the image map name used. The following #Map Map is used<map> A map defined by a tag, whose name attribute is Map, defined like the following: Copy code

2025-06-13
Data type (numerical number) in Javascript basic tutorial

If you want to limit the value of a number in JavaScript, you don’t need to define whether it is an integer or a floating point number, the copy code is as follows: var num1 = 80;var num2 = 55.51;var num3 = -34;var num4 = 9e5;document.write

2025-06-13

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