JavaScript Introduction | Overview | JavaScript Basics

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Prerequisites for Learning JavaScript

Before learning JavaScript, it is helpful to have the following basic knowledge.

  • HTML
  • CSS

What is JavaScript?

JavaScript is an object-based scripting language. With HTML you can write web content, with CSS you can design the web, and with JavaScript you can implement web behavior.
JavaScript is mainly used in web browsers, but with frameworks such as Node.js, it can also be used for server-side programming.
Most web browsers included in recent computers and smartphones have a built-in JavaScript interpreter.

History of JavaScript

JavaScript was created in 1995 by Brendan Eich at Netscape.
It was first developed under the name Mocha, then renamed LiveScript, and finally changed to JavaScript.

Characteristics of JavaScript

JavaScript has the following language characteristics.

  1. JavaScript is an object-based scripting language.
  2. JavaScript is a dynamic interpreted language that does not require explicit type declarations.
  3. JavaScript can express both object-oriented programming and functional programming.