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ruthmoog
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Book Club: Eloquent JavaScript. 4 Data Structures: Objects and Arrays

Eloquent JavaScript A Modern Introduction to Programming, by Marijn Haverbeke

Part i: Language


Chapter 4: Data Structures: Objects and Arrays

If you read any of this chapter, please go ahead and discuss what you thought in the comments!

πŸ“ I'll add my notes here when I've read the chapter.

πŸ“† 9th May 2024.

πŸ“š On Storygraph? Join the Readalong!


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11 Tips That Make You a Better Typescript Programmer

typescript

1 Think in {Set}

Type is an everyday concept to programmers, but it’s surprisingly difficult to define it succinctly. I find it helpful to use Set as a conceptual model instead.

#2 Understand declared type and narrowed type

One extremely powerful typescript feature is automatic type narrowing based on control flow. This means a variable has two types associated with it at any specific point of code location: a declaration type and a narrowed type.

#3 Use discriminated union instead of optional fields

...

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