/TypeScript/Pass function as argument typescript

Pass function as argument typescript

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

Typescript function as parameter

function createPerson(name: string, doAction: () => void): void {
  console.log(`Hi, my name is ${name}.`);
  doAction(); // doAction as a function parameter.
}

// Hi, my name is Bob.
// performs doAction which is waveHands function.
createPerson('Bob', waveHands());

Similar codes

15 votes114 views4 answers
Typescript clear array
TypeScript
0 vote118 views1 answer
How to pass optional parameters while omitting some other optional parameters?
TypeScript
19 votes128 views6 answers
Create new component in Angular
TypeScript
0 vote120 views1 answer
React Draft Wysiwyg typescript
TypeScript
31 votes142 views4 answers
How to see all commits in git
TypeScript
2 votes132 views1 answer
Python remove folder recursively
TypeScript
5 votes104 views1 answer
Git remove commits from branch after push
TypeScript
0 vote121 views2 answers
Https://duckduckgo.com/?t=avast Ariana Grande (@arianagrande) • Instagram photos and videoswww.instagram.com › arianagrande 203.2m Followers, 686 Following, 4664 Posts - See Instagram photos and videos from Ariana Grande (@arianagrande)
TypeScript
0 vote116 views1 answer
Vscode pass argument to registerCommand
TypeScript
1 vote117 views1 answer
Can I 'git commit' a file and ignore its content changes?
TypeScript