ECMAScript 6 (ES6) is the upcoming sixth major release of the ECMAScript language specification.
In this article, you will learn about arrow functions, the syntax, parameters, parentheses and curly brackets, and when you can omit them. You will also learn about implicit and explicit return, immediately invoked arrow functions and the main differences between arrow functions and functions.
This article describes concepts introduced in ES6 viz Let, constant and what is a temporal dead zone.Constants are block-scoped variables/arrays/objects which cannot be reassigned or redeclared in the same scope (Scope is defined by the nearest curly braces). Const declaration creates a read-only reference to a value but it is not immutable.
In this article I will be discussing the difference between pass by value and pass by reference.
## Introduction Consider a simple scenario where you have an array of numbers and you want to return the sum of all elements in that array. We will see that it's a solution in ES5 and that it's equivalent in ES6 to using reduce helper. **ES5...
Last few months we're working really hard on our service Tips by 60 Devs. In this post I would like to share an experience of how we developed an extension for 3 browsers, which problems we encountered and how we solved them.
More tutorials: https://www.youtube.com/channel/UCEoaRTl5alo9tw3A-eDJV9Q?sub_confirmation=1 In this episode, I will be introducing you the two practical ES6 ...
This. Default, Implicit, Explicit, and New Binding. Arrow Functions. In layman’s terms, this points to the owner of the function call, I repeat, the function call, and NOT the function itself. The same function can have different owners in different scenarios. 4 rules decide the value of this
React Slider: How to Build an Image Slider With React Hooks. Creation of all the components necessary to display an array of content, as well as the ability to navigate back and forth to each slide in our slider. Adding an autoplay feature. We will dive deeper into React Hooks and optimize the slider both for performance and visual appeal. We will achieve this by tapping into useEffect and some new memoization helpers.
Two different concepts with the same syntax. Rest Parameter and Spread Operator. A Rest Parameter is used as the last argument of a function declaration. It is enabling the user to specify any number of parameters. Arguments is an Array-like Object; we cannot directly apply Array-functions to it. We have to make use of the Spread Operator to unfold the Arguments Object in an Array first.