Podknife - 802: Tree Shaking × useMemo vs useCallback × JavaScript Event Loop - STUMP'd by Syntax

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802: Tree Shaking × useMemo vs useCallback × JavaScript Event Loop - STUMP'd

Podcast |: Syntax - Tasty Web Development Treats
Publisher |: Wes Bos & Scott Tolinski - Full Stack JavaScript Web Developers
Media Type |: audio
Podknife tags |: Business,; Careers,; Tech News,; Technology,; Web Development
Categories Via RSS |: News,; Tech News,; Technology
Publication Date |: Jul 31, 2024
Episode Duration |: 00:57:14

Scott and Wes serve up a gameshow-style quiz with STUMP’d, challenging each other on web development trivia. From the differences between useMemo and useCallback to the intricacies of the JavaScript event loop, join them for a fun and informative session packed with web dev insights!

Show Notes

00:00 Welcome to Syntax!
01:17 Brought to you by Sentry.io.
02:03 The longest game of Rock, Paper, Scissors.
Round 1
03:22 In React, what is the difference between useMemo and useCallback hooks, and in what scenarios would you choose one over the other?
05:56 Explain the concept of “tree shaking” in modern JavaScript build tools. How does it work, and what are its benefits?
Round 2
09:11 In the context of CSS Grid, explain the difference between grid-template-areas and grid-area.
11:34 What is the “Temporal Dead Zone” in JavaScript, and how does it relate to variables declared with let and const
Round 3
13:29 Describe the inner workings of the JavaScript event loop, including the roles of the call stack, callback queue, and microtask queue.
17:10 What is the “Shadow DOM” in web components, and how does it differ from the regular DOM?
Round 4
20:05 Explain the process of Critical Rendering Path optimization in modern web browsers
26:14 Describe the purpose and functionality of the Intl.Segmenter API in JavaScript.
Round 5
30:03 Explain the concept of Web Assembly (WASM) and its role in modern web development.
32:11 Explain the concept of Svelte stores, particularly focusing on the differences between writable, readable, and derived stores.
Round 6
35:26 Explain the concept of “code splitting” in modern JavaScript applications.
37:00 Describe advanced techniques for maintaining an accessible focus order in web accessibility.
Round 7
45:15 Explain the concept of “Server-Sent Events” (SSE) in web development.
47:37 What’s the difference between contain layout and contain paint?
49:30 Sick Picks & Shameless Plugs.

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