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JavaScript ES6 Enhancement

  • JavaScript was introduced as a client-side scripting language in 1995.

  • ECMAScript (European Computer Manufacturers Association Script) established a standard for scripting languages in 1997.

  • ES is a parent of many scripting languages like TypeScript, JScript, ActionScript, and JavaScript.

  • JavaScript evolved year after year with every new version of ECMAScript introducing new features.

About ES6:
  • ES6 introduces a new transformed syntax to extend existing JavaScript constructs in order to meet the demands of complex applications written in JavaScript. ES6 is also called ES2015.
  • The applications which have been implemented in ES6 use the best practices, new web standards, and cutting-edge features, without using additional frameworks or libraries.
  • Below are some of the features that got introduced which extend the ability of JavaScript to ease the developer's web development 
    • Block scope variables using let and const keywords
    • Template Literals
    • Destructuring
    • Arrow functions
    • Enhanced for loop
    • Default and Rest parameters
    • Spread operator
    • Classes and Objects
    • Inheritance
    • Native Promises
    • Many other built-ins
  • ES6 is also completely backward compatible. The features like Object Oriented support, New programming constructs, Modules, Templates, support for promises, etc. made ES6 faster.

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