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Web design tutorial

Method to get all attributes of the input tag

1. Use jquery$("input[name='btnAdd']").attr("value") to obtain the value attribute value, and the parameters of other attributes to replace attr are OK2. Get it through the point:<!doctype html><html lang="en">

2025-07-12
The character with the most occurrences in a string counts this number of times [Implementation Code]

was str = 'asdfssaasasasaa'; was JSON = {}; for (was I = 0;

2025-07-12
The complete example of base64 encryption and decryption implemented by JS

This article describes the base64 encryption and decryption implemented by JS. Share it for your reference, as follows: Complete code:<HTML><HEAD><TITLE> Base64 </TITLE><script language=javascript>var base64Enco

2025-07-12
Share the writing method of javascript native ajax

ajax: a way to request data without refreshing the entire page; the technical core of ajax is the XMLHttpRequest object; ajax request process: create XMLHttpRequest object, connect to the server, send requests, and receive response data; /** * Get ajax ob

2025-07-12
Pure JS code implements one-click sharing function

Without further ado, just go to the code: the core code is as follows:<div style="padding-left: 30px; margin-bottom: 8px; margin-top:5px; "><div>

2025-07-12
JavaScript array method collection (recommended)

Interview questions that often appear in the written test. Arrays in JavaScript are somewhat different from those in other languages. In order to facilitate the learning of array methods, the editor has compiled the operation methods for arrays for you be

2025-07-12
Getting started with AngularJS (using ng-repeat instruction to implement loop output

Many projects are done on the web server. The front-end and the back-end write jsp code. Both parties need to work closely together to distinguish responsibilities. Some projects provide restful methods by the backend, and the frontend calls itself to loo

2025-07-12
How to dynamically insert and execute callback functions immediately

This article describes how JS dynamically inserts and executes callback functions immediately. Share it for your reference, as follows:

2025-07-12
Summary of methods for obtaining various height and width of web pages by javascript

screen object obtains the screen height (resolution) screen.width //the screen width screen.height //the screen height screen.availWidth //the screen can be used to reduce the value after the screen can be used to subtract the height of the system compone

2025-07-12
Detailed explanation of Heap Sort heap sorting algorithm and JavaScript code implementation

1. I have to talk about binary trees. To understand heap, you must first understand binary trees. In computer science, binary trees are tree structures with at most two subtrees per node. Usually subtrees are called "left subtree" and "righ

2025-07-12
Implementation code for DIV scrolling with scrolling bars [Recommended]

I remember writing such code in the past was a lot more troublesome, but now it is much simpler to have JQuery, so I can only get it done with a few lines of code!<script type="text/javascript" src="Js/jquery-1.7.2.min.js"></script>

2025-07-12
The implementation code of JS pops up a new message prompt box in real time and has a prompt sound.

In the development of Java web authentication system, customers require data updates to pop up a prompt box on the page, so that the staff next to them can promptly know that new data has been submitted in a timely manner. In addition to using timely push

2025-07-12
Explain the scope and scope chain in JavaScript in combination with code and graphics

First, let’s go to the three codes to explain the scope //========== Example 1============ var scope='global'; function fn(){ alert(scope); var scope='local'; alert(scope);

2025-07-12
Based on JS, imitate windows files sorted by name

Make a record mainly to deal with numbers. If the preceding characters of the numbers are the same, the numbers are compared with values, rather than comparisons between individual characters. function SortLikeWin(v1, v2) {var a = v1.name;var b = v2.name;

2025-07-12
What is the meaning of special symbols in url (recommended)

1. ## represents a location in the web page. The character on the right is the identifier of the position. For example, http://www.example.com/index.html#print represents the print location of the web page index.html. After the browser reads this URL, the

2025-07-12

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