689: You Should Be Using JavaScript Maps & Sets
Update: 2023-11-06
Description
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 ">00:26 Welcome
- 01:34 ">01:34 Syntax Brought to you by Sentry
- 01:54 ">01:54 What makes Maps a spicy buffalo object?
- 07:46 ">07:46 API of Map
- 08:51 ">08:51 Looping over items in a Map
- 09:27 ">09:27 Can you change the size of a map after it’s been created?
- 10:07 ">10:07 Can you access properties directly?
- 12:13 ">12:13 Where have we used a map as a cache?
- 13:32 ">13:32 What makes a set an array honey garlic array?
- 17:28 ">17:28 When should you be using sets instead of an array?
- Proposed Highlight API is built on Sets
- 21:47 ">21:47 Can you spread sets like an array?
- 22:40 ">22:40 Weak versions of map and set
- WeakMap and Garbage collection
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