/TypeScript/Typescriprt specify type of key

Typescriprt specify type of key

var stuff: { [key: string]: string; } = {};
stuff['a'] = ''; // ok
stuff['a'] = 4;  // error

// ... or, if you're using this a lot and don't want to type so much ...
interface StringMap { [key: string]: string; }
var stuff2: StringMap = { };
// same as above

Source: stackoverflow.com

Similar codes

0 vote153 views1 answer
Whats the extension of a markup language
TypeScript
0 vote140 views1 answer
Angular animation done event type typescript
TypeScript
0 vote95 views1 answer
Lists - Learn C#
TypeScript
0 vote164 views1 answer
FIFA 21 esports temas
TypeScript
0 vote137 views1 answer
Update a xml document if its not empty on c#
TypeScript
0 vote158 views1 answer
Add column if not exists postgresql
TypeScript
0 vote141 views1 answer
Disable button typescript
TypeScript
0 vote135 views1 answer
.htaccess Forcing scripts to display as source code
TypeScript
34 votes153 views4 answers
Google fonts roboto
TypeScript
0 vote129 views1 answer
The following TestContainer was not found
TypeScript