JavaScript ES6 ES2015 03 Let and Const Declaration

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Course Description

What is ES6 JavaScript? ES6 refers to version 6 of the ECMA Script programming language. ... It is a major enhancement to the JavaScript language, and adds many more features intended to make large-scale software development easier. What is difference between JavaScript and ES6? The ES scripting language has many implementations, and the popular one is JavaScript. Generally, ECMAScript is used for client-side scripting of the World Wide Web. ES5 is an abbreviation of ECMAScript 5 and also known as ECMAScript 2009. The sixth edition of the ECMAScript standard is ES6 or ECMAScript 6. What is ES6 and ES7? Introducing the new features that ECMAScript 2016 (ES7) adds to JavaScript. Since ECMAScript 2015 (also known as ES6) was released, it has introduced a huge set of new features. They include arrow functions, sets, maps, classes and destructuring, and much more. ... A yearly update means no more big releases like ES6 How do I use ES6 in JavaScript? ES6 Tutorial let – declare block-scoped variables using the let keyword. let vs. ... const – define constants using the const keyword. Default function parameters – learn how to set the default value for parameters of a function. Rest parameter – introduce you to the rest parameter and how to use them effectively. What's JavaScript used for? What are the Mobile Applications of JavaScript? Java and Swift are popular languages for building mobile apps for Android and iOS, respectively. With frameworks like Ionic, React Native, the features and uses of JavaScript also make it a powerful tool for building mobile apps. Is JavaScript and ECMAScript same? ECMAScript is a Standard for scripting languages such as JavaScript, JScript, etc. It is a trademark scripting language specification. JavaScript is a language based on ECMAScript. A standard for scripting languages like JavaScript, JScript is ECMAScript. Is TypeScript better than JavaScript? Typescript uses concepts like types and interfaces to describe data being used whereas JavaScript has no such concept. Typescript is a powerful type system, including generics & JS features for large size project whereas JavaScript is an ideal option for small size project. Is vanilla ES6 JavaScript? ES6 is just a revision of the language, like Python 2.7 or Python 3.0. ... ES2017 would mean ES8, or the 8th edition of ECMAScript (which is effectively JavaScript). Vanilla refers to the use of the core APIs without other dependencies like React or jQuery Why is JavaScript called JavaScript? The name JavaScript came from Netscape's support of Java applets within its browser. Many say it was also a marketing tactic to divert some attention from Java, which was the most buzzed-about language at the time. To run Java programs, the code must be first compiled into an executable form.