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A brief analysis of various patterns of creating objects in javascript

Recently, I was watching "Javascript Advanced Programming" (Second Edition) Object creation in javascript Factory pattern Constructor pattern Prototype pattern Combined with constructor and prototype pattern Prototype dynamic pattern Object-orie

2025-07-16
General method for binding event listening function of JavaScript

Common methods of event binding: traditional binding, W3C binding method, and IE binding method. However, what is important for us in actual development is to require a general, cross-browser binding method. If we search on the Internet, we will find many

2025-07-16
Summary of browser-compatible JS writing methods

1. Element search problem 1. document.all[name](1) Existing problem: Firefox does not support document.all[name](2) Solution: Use getElementsByName(name), getElementById(id), etc. to replace it.

2025-07-16
js to obtain hidden elements width and height implementation method

There are some methods for js to obtain hidden elements' width and height on the Internet, but there may be some situations that cannot be obtained. For example:<!DOCTYPE html><html lang="en"><head>

2025-07-16
Detailed explanation of adaptive attributes of Markdown+Bootstrap pictures

Markdown is a lightweight "market language" with many advantages and is currently widely used by more and more writing enthusiasts and writers. Please don’t be confused by “marks” and “language” when you see this. Markdown’s syntax is very simpl

2025-07-16
Method for Winform client to pass parameters to web address and receive parameters

Define the js method on the web to receive the parameters passed by the client, specifically, obtain the data after the address, and divide each parameter with &, store it in an array, and obtain it. The specific details are as follows: //Define the m

2025-07-16
Experience summary of the development framework based on BootStrap Metronic [8] Introduction to the overall interface of the framework function

This article mainly introduces the overall functional interface of this Bootstrap framework, and introduces the knowledge points and overall interfaces used in it. I hope readers will have a more intuitive and realistic understanding of the framework. Int

2025-07-16
js get the object clicked by the mouse, click another button to delete the implementation code of the object

Today I encountered a very strange demand, which is like this: when I click on the text, a delete button pops up to delete the text I just clicked. Oh, I thought about it, it’s not difficult. But since it’s a strange demand, how could it be so simple? Yes

2025-07-16
Detailed explanation of JavaScript execution environment and scope

Recently, I am rereading "Javascript Advanced Programming 3" and feel that I should write some blogs to record some of the knowledge I learned, otherwise I will forget it. What I want to summarize today is the js execution environment and scope.

2025-07-16
Detailed explanation of JavaScript data push Comet technology

JavaScript data push is mainly committed to the online push service of webapps. We don’t need to actively push data from the server to the local area every time, like a server, to send Ajax requests. History of data push evolution: 1. The HTTP protocol is

2025-07-16
AngularJS implements pagination display of database information

Next, the first article "A detailed explanation of $location and its functions for AngularJS built-in service", learn Section 2: Implement the pagination display effect, then invisible, and set the current url information through the location se

2025-07-16
Detailed explanation of custom event writing in JavaScript

We can customize events to achieve more flexible development. Events can be a very powerful tool when used properly. Event-based development has many advantages (introduced later). Functions with custom events are Event, CustomEvent, and dispatchEvent. Di

2025-07-16
Summary of common methods of JavaScript String objects

Strings are immutable. The string method does not change the content of the original string, but returns a new string. charAt(): Returns the character at the specified position. concat(): concatenates two string literals and returns a new string. indexOf(

2025-07-16
Detailed explanation of the introduction to Node.js+Express configuration tutorial

Node.js is a Javascript running environment (runtime). In fact, it encapsulates the Google V8 engine. The V8 engine executes Javascript very quickly and has very good performance. Node.js optimizes some special use cases and provides an alternative API to

2025-07-16
JavaScript implements Base64 encoding conversion

Introduction Base64 is a representation method that represents binary data based on 64 printable characters. Since 2 is equal to 64 to the power of 6, every 6 bits is a unit, corresponding to a certain printable character. Three bytes have 24 bits, corres

2025-07-16

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