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How long did it take to develop javascript?

PHPz

Apr 21, 2023 am 10:01 AM

JavaScript is a widely used programming language mainly used for web development. It can be written and run directly in the browser, enabling dynamic interactions and the creation of responsive user interfaces. So, how was JavaScript born, and what is its development history?

The early days of JavaScript

In 1995, Brendan Eich, the developer of the Netscape Navigator browser, was asked to design a programming language that could manipulate DOM objects on web pages. At that time, only programming languages such as Java and Perl could be embedded in web pages, and they had a high learning threshold. Therefore, Eich decided to develop a new scripting language to simplify Web programming.

In just 10 days, Eich designed the first version of JavaScript, which was based on the needs of front-end user interaction and could be used on the client side. The language only has 53 keywords in total, making it very easy to learn. On December 4, 1995, Netscape officially released JavaScript 1.0.

Initially, the main purpose of JavaScript was to enhance the functions of the Netscape Navigator browser, such as validating web page forms, rendering dynamic effects, and asynchronous communication with the server. Indeed, the web browsers at that time did not support a large number of interactive operations, and JavaScript laid a foundation for the dynamic development of the web.

The trend of JavaScript

With the scale and popularity of the Internet, more and more Web applications are emerging. The size of the site is also getting larger and larger, and the traditional back-end rendering method (Server Side Rendering) cannot meet the needs of large-scale interaction. Therefore, in order to make Web pages have better responsiveness and user experience, front-end rendering (Client Side Rendering) has gradually become mainstream, and JavaScript has also become increasingly perfect with the development of Web technology.

In the early 21st century, the emergence of Ajax (Asynchronous JavaScript and XML) technology allowed JavaScript to achieve asynchronous communication, which is very important for improving the user experience of Web applications.

In 2009, the CommonJS project launched Node.js, a JavaScript runtime environment based on the Chrome V8 engine. Node.js allows developers to develop back-end applications using JavaScript and execute JavaScript code directly on the server. Subsequently, Node.js quickly became a popular technology, attracting more and more developers to join the ranks of web development.

In 2015, the ECMAScript 6 (ES6) standard was released, introducing a series of new features, such as arrow functions, let and const variable declarations, classes, etc., which make writing and reading JavaScript easier and more intuitive .

Not only that, in 2016 and 2017, new JavaScript supersets such as TypeScript and Flow appeared, which provided better type checking and ES6 features. The emergence of these technologies allows JavaScript to master a larger area.

The future development of JavaScript

As Web technology continues to develop, JavaScript is also constantly enhancing and evolving. More and more cutting-edge technologies are becoming possible, and the continuous emergence of new technologies has brought great creative freedom to web developers.

In recent years, front-end development libraries and frameworks have sprung up, such as the famous React, Angular, Vue, etc. They provide developers with various tools and resources to make web application development easier. , efficient and easy.

In the future, JavaScript will continue to play an important role in web development, and it will pay more attention to performance and security. At the same time, JavaScript will continue to receive continuous improvements and innovations in terms of compatibility, tools, and frameworks.

Summary

JavaScript has experienced more than 20 years of development. It has grown from a simple scripting language to a widely used programming language, providing very powerful tools and tools for Web development. resource. Although it was not born for too long, its continuous evolution and development allow us to see the future development direction of Web technology.

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