4 TypeScript tips: as const, typeof, keyof and template string types

Just a few tips in context of when you would use them: as const, typeof, keyof and template string types

[joostschuur]

0:30 I don't understand what you mean with 'give me the keys that are typeof number' here. The type is a union of strings. Sure, treated as an array, they each have an index, but how is number relevant for the CourseCode type?

That part went a little too fast for me :)

[gregr.v.]

Great tips! Is the full TS course out yet?

[PuneetShivram]

@WesBos When is your new course on Typescript is going to roll out?

[pavolhejny]

What (like-handwritten) font do you use for names?

[prateeksingh]

Can you tell us what is your theme name??