Tag: “javascript”
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Learn Async Await WIth Four Examples
BeginnerThe goal of this tutorial is to show you how you can use the async/await feature from the newest version of Javascript. I will explain quickly and painlessly how you can replace Promises with async/await, do proper error handling,... -
Building A Sticky Sidebar In React
IntermediateIn this three part live coding series, we will build a basic 8-2 column layout and add a sticky sidebar to our app. In the process, we will learn about how we can create dummy paragraphs programmatically and leverage... -
An Overview Of Classical Javascript Classes and Prototypical Inheritance
IntermediateObject Oriented Javascript is not an easy concept to grasp, the language implements object oriented programming(oop) concepts via the Prototypical Model, it’s a powerful model that allows JS to be an extremely flexible language. In this article I will explain... -
Handle mass polling with Back Off Algorithm
IntermediatePosted under Let’s Fix, where we discuss problems and solutions to real world web dev problems Recently I had the opportunity to solve a problem that may not be common to most people, but if you ever have to deal with... -
How to detect AdBlock via Javascript
BeginnerAdblock is a classic double edge sword of the internet. As a consumer, It helps save computing power, blocks you from third party trackers and prevents nasty malwares from infecting your computer. On the other hand, as a publisher,... -
ES6/ES2015 For Newbies Lesson 5: Destructuring
IntermediateThe destructuring assignment syntax is a JavaScript expression that makes it possible to extract data from arrays or objects into distinct variables. Say I have an array: const list = ['a', 'b', 'c', 'd']; If I want to set each... -
ES6/ES2015 For Newbies Lesson 4: Spread and Rest Parameters
IntermediateAre you tired of splicing, spiting, and concatenating arrays? Array manipulation is one of the most common things a developer does daily. To help with that, Javascript provided us with language level APIs like Array.split, Array.splice, Array.slice, and Array.concat. While the APIs... -
ES6/ES2015 For Newbies Lesson 3: Enhanced Object Literals and Default Values
IntermediateEnhanced Object Literals Objects are essential part of Javascript. It’s no surprise that they’re getting a feature lift in ES6: // Enhanved Object Literals let foo = 'bar'; let myObj = { foo, // same as foo: foo _name:... -
ES6/ES2015 For Newbies Lesson 2: Blockscope with Const and Let & Template String
IntermediateES5 variable scopes In ES5, variables are scoped to the closest outer function where they’re declared: function myFunc() { var foo = true; if (foo) { var car = 'tesla'; var website = 'google.com'; } console.log(car); console.log(website); } myFunc(); In... -
ES6/ES2015 For Newbies Lesson 1: Arrow Functions
IntermediateIn this introductory lesson, we’re going to learn about Arrow functions from the latest version of Javascript: ES6 or ES2015. What was wrong with context in javascript? In old version of Javascript, the keyword this is functionally bound. meaning when you...
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