What is Javascript and How is it used?

Lesson Details:
July 10, 2020


I: Introduction

The use of programming languages is an important skill that is used in many fields. Whether you are a computer programmer, web developer, or even if you are using the built-in calculator on your phone, you are using a programming language. Code has become part of everyday life for many individuals. Remarkable progress in science and technology is largely due to the rapid development of computer hardware and software. Software applications are designed to make our lives easier, whether it is in business, education, entertainment, or just for personal use.

However, the major challenge in the programming world is making sure that the computer understands what we want it to do with our code. The problem is that computers only “speak” in ones and zeros. To get around this limitation, people have developed programming languages that can be understood by both humans and computers. Each programming language has its own rules and syntax, so the computer always knows what to expect when it executes the code.

II: Body

JavaScript is one of the most common programming languages in the world. It was created in 1995 by Brendan Eich, who also co-created the Mozilla Firefox browser. However, JavaScript was not originally intended to become a programming language for Web pages; it only became one after Internet Explorer decided to adopt it as their own. Microsoft then had to implement its own version of JavaScript into Internet Explorer (IE) 6. It was discovered later that their implementation had some serious security flaws, which eventually led to browsers adopting their own versions of JavaScript instead of IE’s. There are currently two versions of [removed] ECMAScript (ES), standardized by Ecma International (also known as ECMA), and ActionScript (AS), standardized by Adobe Systems Incorporated (Adobe). ES is the standard for browser-based scripting, while AS is used primarily for desktop-based coding.

JavaScript has become a very popular language since its creation. It is used to power many websites such as Google and Facebook (both use V8 JavaScript engine), and it is often included as a built-in component of other software packages – such as Microsoft Office – because it allows users to create macros and scripts without installing any additional components. Besides being able to manipulate websites and applications, JavaScript can also be used to create and play games (like Angry Birds and Fruit Ninja), as well as work with other software programs.

JavaScript can be used to create GUI (graphical user interface) elements such as buttons and menus, as well as DOM (document object model) objects such as text boxes and images. It can interact with other elements on web pages such as HTML and CSS tags, and it can be used to access information from almost any server by using XMLHTTPRequest objects. Additionally, JavaScript can be used to control plugins such as Flash or Java applets by accessing their API (application programming interface). If you want to learn how to code and use JavaScript, there are several online tutorials available that will show you the basics. You can even find paid courses that teach you different aspects of JavaScript coding, from basic structure to advanced techniques.

III: Conclusion

In conclusion, it is clear that JavaScript has become a valuable tool for many individuals across the globe because it makes many tasks simpler for both humans and computers. It has changed the way we create websites, applications, games, and much more – all due to its usefulness and ease of use – not to mention the fact that it comes pre-installed with every computer! As a result, JavaScript will continue to grow in popularity as a programming language, not only now but also in the future.

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