JavaScript Krish Nalekar

Java & JavaScript: Are they different?

Java and JavaScript are two completely different types of programming languages used for different purposes. Java is an OOP programming language while JavaScript is an OOP scripting language.

Who Invented JavaScript?

JavaScript was first brought to life after people at Netscape (which is linked to Mozilla, owner of Mozilla Firefox) wanted to improve the web, its webpages, and websites. The programming language they invented to improve it is now known as JavaScript.

Netscape Navigator– now evolved into Mozilla Firefox
Mozilla Firefox Logo

What is the purpose of javaScript?

Before Netscape invented JavaScript, the web used HTML and CSS. HTML was the structure and CSS was the style. JavaScript added the behavior part to the web and its webpages. Things like replying and favoriting a tweet on Twitter heavily rely on JavaScript!

This is HTML code– notice the abundance of "<" and ">"
This is CSS code

Why is javaScript important?

Since a lot of the web uses JavaScript, many websites and webpages would simply fail or many functions wouldn't work without JavaScript. And if the web lost all of its features that rely on JavaScript, the web and people would be in big trouble. You wouldn't be able to have as much fun on the internet and people who rely heavily on the web would be screwed.

is javaScript used for anything else besides the web?

JavaScript definitely is not limited to the web. It can be used in servers, gaming, databases, and even robots! But JavaScript primarily is used in the web.


Web: Short for World Wide Web; An information system on the Internet that allows documents to be connected to other documents by hypertext links, enabling the user to search for information by moving from one document to another.

Webpage: A hypertext document connected to the World Wide Web.

Website: A location connected to the Internet that maintains one or more pages on the World Wide Web.

Server: A computer or computer program that manages access to a centralized resource or service in a network.

Gaming: Video or computer games.

Database: A structured set of data held in a computer, especially one that is accessible in various ways.

Robots A machine capable of carrying out a complex series of actions automatically, especially one programmable by a computer

Created By
Krish Nalekar


Created with images by uka0310 - "javascript" • gabrielsaldana - "Computer History - Netscape Navigator" • Andréia - "Firefox logo" • Pexels - "code code editor coding" • WrobelekStudio - "code computer css" Glossary derived from Google

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