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Simple implementation of getting class in javascript

There is no way to get class in js. I have found some encapsulated methods. Here is a sorting (1) Encapsulate first //Encapsulate getClass function getClass(tagName, className) //Get the tag name tagName and class name class

2025-07-08
Checkbox The implementation code that will also be selected for another checkbox

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns

2025-07-08
Detailed explanation of sort sort instance in javascript

The code is as follows: var arr = [5,32,28,66,2,15,3]; arr.sort(function(a1,a2){ return a1-a2; //a2-a1 Input reverse order}); console.log(arr);

2025-07-08
JS imitation Baidu automatic drop-down box fuzzy matching prompt

In actual projects, we can change the data acquisition to ajax dynamic acquisition, in getContent()<!DOCTYPE><html><head><title> js/jQuery implements similar Baidu search function</title>

2025-07-08
js pop-up dialog box (mask) transparent, simple draggable instance

js pop-up dialog box (mask) transparent, simple draggable instance <html><head><script>function sAlert(txt){//var eSrc=(document.all)window.event.srcElement:argumen

2025-07-08
JS method to implement iframe adaptive height (compatible with IE and FireFox)

This article describes the method of JS to implement iframe adaptive height. I will share it with you for your reference. The details are as follows: I have been troubled by the high degree of adaptability of iframes before, and many JS codes seem to beco

2025-07-08
JS implements control of the content of text boxes

JS control text box can only enter numbers

2025-07-08
A brief discussion on branch structure in JavaScript

Speaking of branch structures in JavaScript, we have to mention the word process control, all our programs are composed of data and algorithms. Program = Data + Algorithm Usually the algorithms we call can be combined through three structures: "order

2025-07-08
Best JavaScript Error Handling Practice

Regardless of your skill level, errors or exceptions are part of your application developer’s life. The inconsistency of web development leaves many places where errors can and do have happened. The key to the solution is to deal with any unforeseen (or f

2025-07-08
JS gets a simple example of random number and time conversion

Math.floor(Math.random()*10);//Create a random number within 10 new Date(); //Get the current time (string type) new Date().getTime(); //Get the current number of milliseconds new Date(13563340570

2025-07-08
Perfectly implement eight types of js focus carousels (Part 2)

Continue to the previous article's learning to perfectly realize eight types of js focus carousels (Part 1), for your reference. The specific content is as follows 5. Timed seamless scrolling ideas: 1. Idea 1: Copy an ul, but the scrolling distance is

2025-07-08
Use JS to realize carousel image effect (II)

Based on the previous article using JS to implement the image carousel effect code (I), the response events of left and right arrows are added, and clicking the left and right arrows can also make the image scroll: the js code is as follows: window.onload

2025-07-08
Clever talk about the inheritance of JavaScript classes

In fact, when I first started learning JS, I looked at the implementation of inheritance. At that time, I just tried to understand the code segments I saw from the book. I rethinked it today and felt that this was the result of the evolution of thinking e

2025-07-08
window.close(); summary introduction of js code closing the browser window

window.close(); summary introduction of the js code for closing the browser window serial number close the code to confirm that it has no effect, no confirmation test 1 window.close()

2025-07-08
JavaScript dynamically adds css styles and script tags

[Dynamic add css style]<html><head><script type="text/javascript">　　　　　　window.onload=function(){　　　　　　　　var head=document.get

2025-07-08

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