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What are the four reasons why JavaScript is so popular? many beginners are not very clear about it. In order to help you solve this problem, the following editor will explain it in detail. People with this need can come and learn. I hope you can get something.

There is a good reason why JavaScript is at the top of the programming language.

As shown in this diagram of GitHub's The State of the Octoverse report, JavaScript has always been the most popular programming language in terms of the number of contributors to projects on GitHub.

Popular language, according to "The State of the Octoverse" (©2019 GitHub Corp)

1. JavaScript is suitable for junior, intermediate and senior developers

JavaScript does not need any environment settings, just open a browser, such as Chrome browser, navigate to the developer tool, and you can start coding. Write a "Hello World" program. It's as simple as that:

Console.log ("Hello World")

The flexibility of JavaScript is best suited to intermediate developers. The language helps you accomplish your tasks by allowing developers to focus on solving problems. Developers can mix plug-ins and their own code snippets to make an application work.

Although JavaScript is relatively easy to use, it is not easy to master at once. If you want to reach the advanced level, here are some concepts you need to know:

JavaScript's multi-paradigm feature: JavaScript supports both functional programming and object-oriented programming (OOP).

Applying design patterns in JavaScript: model-View-* (MV*) design pattern has always been one of the most popular patterns, and has contributed to the development of many modern frameworks.

Inheritance with prototype chain: because of its dynamic characteristics, JavaScript cannot implement OOP in the traditional Java class-based mode. OOP in JavaScript is implemented through the prototype inheritance model.

Closures: closures can access the scope of external functions from internal functions.

Corialization Currying: Corialization is a transformation of a function that converts a function from the calling form of f (a, b, c) to the calling form of f (a) (b) (c).

Promises and Observables: these can help you deal with asynchronous functions.

TypeScript: static types have been added to JavaScript.

2. Full platform

JavaScript can be run anywhere, including:

Devices such as mobile phones, tablets and laptops.

On the client side and server side.

This ability to run anywhere makes JavaScript a common language.

3. Open standards and communities

ECMAScript is a standardized version of JavaScript and an open standard language. Companies can use ECMAScript to create an implementation of JavaScript. According to Wikipedia, "the ECMAScript engine is a program that executes source code (for example, JavaScript) written in the ECMAScript language standard." The most popular engines V8 and SpiderMonkey are open source projects.

JavaScript has been around for 25 years and there is a huge community behind it. Developers are dizzying, and the community has built so many plug-ins and frameworks that they coined the term "framework fatigue".

4. Modern framework

Modern frameworks such as React, Angular, and Vue.js have stabilized and are being optimized for better performance. Most frameworks are very developer-friendly and have good community support.

The future

JavaScript will exist for a long time. Full-stack development and modern front-end frameworks continue to help JavaScript consolidate its position as one of the most popular programming languages.

The next wave of JavaScript is likely to focus.

Deno: the modern secure runtime of JavaScript.

Network components: reusable custom elements.

Integration with AI and ML: projects like Supernova and BAYOU have made substantial breakthroughs in integrating JavaScript with artificial intelligence and machine learning.

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