Monthly archives of “May 2016”
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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... -
Improve code quality with JsHint
BeginnerWhat is JsHint? JsHint is a code quality tool that helps detect errors and potential problems in your javascript code. It can be used as a standalone command line tool, or a node module to use along side your Node... -
Minimal Express Server with Nginx and PM2
DevOpsTools we’ll use Digital Ocean: A high quality, low cost VPS provider. Nginx: Extremely performant reverse proxy used by millions of websites. Express: The default server side middleware framework for NodeJS. PM2: Great process manager for NodeJS applications. Create...
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