Podknife - 689: You Should Be Using JavaScript Maps & Sets by Syntax

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689: You Should Be Using JavaScript Maps & Sets

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 |: Nov 06, 2023
Episode Duration |: 00:28:17

In this episode of Syntax, Wes and Scott talk about why you should be using JavaScript maps sets, whether you can access them directly, what makes them great, and what weak versions of both are.

Show Notes

00:26 Welcome
01:34 Syntax Brought to you by Sentry
01:54 What makes Maps a spicy buffalo object?
07:46 API of Map
08:51 Looping over items in a Map
09:27 Can you change the size of a map after it’s been created?
10:07 Can you access properties directly?
12:13 Where have we used a map as a cache?
13:32 What makes a set an array honey garlic array?
17:28 When should you be using sets instead of an array?
Proposed Highlight API is built on Sets
21:47 Can you spread sets like an array?
22:40 Weak versions of map and set
WeakMap and Garbage collection

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