Introduction

This episode is all about hooks within React: useState, useEffect, useReducer, useContext, useRef, useMemo, and useCallback.

Sponsors

Vercel

Vercel combines the best developer experience with an obsessive focus on end-user performance. Their platform enables frontend teams to do their best work. It is the best place to deploy any frontend app. Start by deploying with zero configuration to their global edge network. Scale dynamically to millions of pages without breaking a sweat.

For more information, visit Vercel.com

ZEAL is hiring!

ZEAL is a computer software agency that delivers “the world’s most zealous” and custom solutions. The company plans and develops web and mobile applications that consistently help clients draw in customers, foster engagement, scale technologies, and ensure delivery.

ZEAL believes that a business is “only as strong as” its team and cares about culture, values, a transparent process, leveling up, giving back, and providing excellent equipment. The company has staffers distributed throughout the United States, and as it continues to grow, ZEAL looks for collaborative, object-oriented, and organized individuals to apply for open roles.

For more information visit softwareresidency.com/careers

DatoCMS

DatoCMS is a complete and performant headless CMS built to offer the best developer experience and user-friendliness in the market. It features a rich, CDN-powered GraphQL API (with realtime updates!), a super-flexible way to handle dynamic layouts and structured content, and best-in-class image/video support, with progressive/LQIP image loading out-of-the-box."

For more information, visit datocms.com

Show Notes

• 0:00 Introduction
• 4:55 What was before React Hooks
• 5:14 Class Based Components
• 5:28 Functional Components
• 6:19 Experience with Classes
• 9:14 Benefits of React Hooks
• 11:31 useState
• 16:17 Sponsor: DatoCMS
• 17:11 useEffect
• 22:37 useReducer
• 29:22 useContext
• 32:42 Sponsor: ZEAL
• 33:34 useRef
• 35:42 useMemo
  • Web Dev Simplified, useMemo in 10 Minutes
  • Ben Awad
• 39:08 useCallback
  • Web Dev Simplified, useCallback in 8 Minutes
  • Ben Awad
• 41:15 Sponsor: Vercel
• 42:08 Grab Bag Questions
• 42:27 Question #1: useState vs useContext
• 44:28 Question #2: How can we pause rendering?
• 46:51 Question #3: useRef vs. useState and in what condition will useState cause an infinite loop?
• 48:19 Question #4: Do you actually use useCallback and useMemo?
• 49:44 Question #5: What are some powerful ways you guys have used custom hooks within React?
  • Custom Audio Player on YouTube
• 51:44 Question #5: Forms with mobX, useState, mvvm, and Validation
• 52:50 Picks and Plugs
• 53:01 Amy's Pick: Paper Like Screen Protector
• 53:26 Amy's Plug: SelfTeach.me YouTube Channel
• 53:37 James's Pick: iPad Keyboard Case
• 54:52 James's Plug: James Q Quick on YouTube