Typescript type of function

onSubmit: () => void;
onSubmit: (value: string) => void;

Typescript annotate return type

function add(x: number, y: number): number {
  return x + y;
}

Types function typescript

interface Better_still_safe_but_way_more_flexible_fix {
    title: string;
    callback: <T = unknown, R = unknown>(args?: T) => R;
}
interface Alternate_Syntax_4_Better_still_safe_but_way_more_flexible_fix {
    title: string;
    callback<T = unknown, R = unknown>(args?: T): R;
}

-1

Source: stackoverflow.com

Similar codes

1 vote117 views1 answer
Js split string with emoji
TypeScript
14 votes121 views6 answers
How to add two lists in python
TypeScript
1 vote128 views1 answer
React native Error styled 'marginTop' of RCTView with JSON value 'px' of type NSString
TypeScript
0 vote137 views1 answer
Implement a groupByOwners function that: Accepts an associative array
TypeScript
14 votes127 views3 answers
Df.value_counts to dataframe
TypeScript
3 votes118 views3 answers
Squash commits on branch
TypeScript
35 votes130 views2 answers
Typescript last index of array
TypeScript
1 vote118 views1 answer
React functional components setstate callback
TypeScript
10 votes131 views2 answers
How to declare a boolean in typescript
TypeScript
0 vote130 views1 answer
Edit lights in a room alexa
TypeScript