20 JavaScript Array and Object Methods to make you a better developer

Wes and Scott rattle through ~20 different Object and Arra Methods that will make you a better JavaScript developer. Freshbooks - Sponsor This is episode Wes mentions the free book Breaking The Time Barrier. Get a 30 day free trial of Freshbooks at freshbooks.com/syntax. Netlify — Sponsor Netlify is the best way to deploy and host a front-end website. All the features developers need right out of the box: Global CDN, Continuous Deployment, one click HTTPS and more. Hit up netlify.com/syntax for more info. They are also hiring! netlify.com/careers Show Notes For the docs for all these, just google mdn and the method you are looking for 😃 3:00 Why are these great? They are chainable Immutable 5:30 .filter() Truthy or Falsy 8:00 .map() 10:00 .reduce() - returns any shape! filter, create a new shape, add up numbers... 14:30 .forEach() Side effects 16:00 .some() can be used as a short circuit forEach 25:00 .every() .includes() (why not contains?) 26:00 Array.from() Array.from() takes a secondary map arg Array.of() 29:00 Object.values() Object.keys() Object.entries() 32:00 Array spread - converts iterable to array Array spread - Concats arrays Array Spread + Slice. Don't splice - remove an item from an array. 34:00 Object Spread 37:00 Function Rest 39:00 Object.freeze() 40:00 Object.seal() 41:00 Object.assign() - no longer needed because you can object spread Reference vs Copy in JavaScript ×SICK×PICKS× Scott: Tea Haus Wes: SOG Folding Knife Wes: Sharpening Stone Shameless Plugs Vue.js for Everyone Wes' Course SMASH that Subscribe Button on Wes' YouTube Tweet us your tasty treats! Scott's Instagram LevelUpTutorials Instagram Wes' Instagram Wes' Twitter Wes' Facebook Scott's Twitter Make sure to include @SyntaxFM in your tweets