Prahlad Inala
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JavaScript Introduction

JavaScript Introduction

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Prahlad Inala
ยทMay 1, 2023ยท

3 min read

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Table of contents

  • World Before JavaScript
  • JavaScript History

JavaScript is a high-level, dynamic, interpreted programming language that is used to create interactive and dynamic websites. It was initially created for client-side scripting, but now it can also be used on the server-side with the help of Node.js.

JavaScript is an object-oriented language and is used to build a wide range of web applications and games. It is supported by all major web browsers and can be easily embedded in HTML documents.

World Before JavaScript

Before JavaScript, the web was mostly static, with HTML pages serving as the main means of presenting content to users. While HTML could provide basic interactivity through links and forms, it was limited in its ability to create dynamic and interactive user experiences.

To address this limitation, browser plugins such as Adobe Flash and Java applets were developed in the 1990s and early 2000s. These technologies provided more advanced scripting capabilities and multimedia capabilities, but they had their own limitations and issues with security, compatibility, and performance.

JavaScript was developed as a lightweight, client-side scripting language that could be embedded into HTML pages and executed directly by web browsers. It was designed to be simple and easy to learn, while also powerful enough to enable developers to create rich and interactive web applications.

Since its introduction in the mid-1990s, JavaScript has become one of the most widely used programming languages in the world, and has played a major role in the growth and evolution of the web.

JavaScript History

JavaScript was created in 1995 by Brendan Eich, then an employee of Netscape Communications Corporation. At the time, Netscape was the dominant web browser, and Eich was tasked with creating a scripting language that could be used to make web pages more dynamic and interactive.

Eich designed JavaScript to be a simple and lightweight language that could be easily embedded in HTML documents. The initial release of JavaScript was included in Netscape Navigator 2.0, released in 1995.

As the popularity of the web grew, so did the demand for more sophisticated web applications. JavaScript quickly became a popular tool for creating dynamic and interactive websites, and new libraries and frameworks were developed to make it easier to develop complex applications.

In 1996, Microsoft released its own version of JavaScript, called JScript, which was compatible with Internet Explorer. This helped to further popularize the language and made it more widely used.

Over the years, JavaScript has continued to evolve and improve. In 2009, the ECMAScript 5 standard was released, which added new features and improved performance. In 2015, the ECMAScript 6 standard was released, which added even more new features and improved the syntax of the language.

Today, JavaScript is one of the most widely used programming languages in the world, and it is supported by all major web browsers. It is used to create a wide range of applications, from simple websites to complex web applications and games. With the advent of Node.js, it can also be used for server-side scripting, further expanding its capabilities.

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