Lession 01 What is JavaScript

History of JavaScript

• LiveScript -> JavaScript
• ECMAScript (opens in a new tab) (ES5, ES6)
  • ECMAScript (ES) is a scripting-language specification standardized by Ecma International.
  • It was created to standardize JavaScript.
  • JavaScript has remained the best-known implementation of ECMAScript.
• ECMAScript (ES2016, ES2017)

HTML, CSS vs JavaScript

• HTML and CSS
  • Markup language used to describe and define elements within a document.
• JavaScript
  • Programming language used to communicate instructions to a machine.