Promises are used to handle asynchronous tasks. For example, in home.js file: import contact from './contact.js' Then when you want to use the contact() function in another file, you can simply import the function. Class is similar to a constructor function. JavaScript class is used to create an object. To learn more about arrow functions, visit JavaScript Arrow Function. For example,Ĭan be written as // function expression using arrow function In the ES6 version, you can use arrow functions to create function expressions. Once declared, you cannot change the value of a const variable. For example, // name declared with const cannot be changed

The const statement is used to declare constants in JavaScript. For example, // variable declared using let This means they are only accessible within a particular block. The variables declared using let are block-scoped. To learn more about the difference between let and var, visit JavaScript let vs var. Previously, variables were declared using the var keyword. JavaScript let is used to declare variables. This tutorial provides a brief summary of commonly used features of ES6 so that you can start quickly in ES6. In order to get started you need to make an index.html file and copy paste the following code index.html As you can see we have four input fields in each step firstly we allow the user to enter the username and then we allow the user to enter the email address and password in the next step and lastly we enter the address in the final step. ECMAScript provides the specification on how JavaScript programming language should work. JavaScript ES6 (also known as ECMAScript 2015 or ECMAScript 6) is the newer version of JavaScript that was introduced in 2015.ĮCMAScript is the standard that JavaScript programming language uses.

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