Type 'string[]' cannot be used as an index type. Error in typescript but works in javascript console

Question

So the following works fine when I put in break point in the code and run the following: [browser console]

but I get Type 'string[]' cannot be used as an index type when I try to use in typescript.

convert string [] > to string works but doesnt give me what the javascript above gets me. Im going through an object with dynamic keys — justTech
– justTech, Commented Nov 29, 2020 at 19:53

Andrew · Accepted Answer · 2020-11-29 18:55:10Z

1

JavaScript will let you do stupid things and won't tell you it doesn't make sense. But typescript will warn you. It's much more strict about writing coherent code. You effectively did this:

[1][[0]] // 1

answered Nov 29, 2020 at 18:55

Andrew

7,5855 gold badges28 silver badges35 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

Type 'string[]' cannot be used as an index type. Error in typescript but works in javascript console

1 Answer 1

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Your Answer

Sign up or log in

Post as a guest

Related