/TypeScript/Typescript pass a function as an argunetn

Typescript pass a function as an argunetn

class Foo {
    save(callback: (n: number) => any) : void {
        callback(42);
    }
}
var foo = new Foo();

var strCallback = (result: string) : void => {
    alert(result);
}
var numCallback = (result: number) : void => {
    alert(result.toString());
}

foo.save(strCallback); // not OK
foo.save(numCallback); // OK

Source: stackoverflow.com

Similar codes

6 votes255 views4 answers
Cannot be loaded because running scripts is disabled on this system vs code
TypeScript
1 vote278 views1 answer
Increase size of mat dialog
TypeScript
0 vote254 views1 answer
Calling from a list elements in steps
TypeScript
0 vote251 views1 answer
Type script encode url
TypeScript
15 votes286 views3 answers
Can't bind to 'formGroup' since it isn't a known property of 'form
TypeScript
4 votes259 views1 answer
Require('dotenv').config() typescript
TypeScript
0 vote249 views1 answer
How to run typescript in vscode
TypeScript
0 vote295 views1 answer
Typescript where to put interfaces
TypeScript
0 vote329 views1 answer
Get distinct elements in table psql
TypeScript
0 vote225 views1 answer
Change div with css
TypeScript