return typescript code example
Example 1: typescript default parameter
sayHello(hello: string = 'hello') {
console.log(hello);
}
sayHello();
sayHello('world');
Example 2: typescript function as parameter
function createPerson(name: string, doAction: () => void): void {
console.log(`Hi, my name is ${name}.`);
doAction();
}
createPerson('Bob', waveHands());
Example 3: function with return type in angular
greet() : number {
return "Hello, " + this.greeting;
}
Example 4: typescript annotate return type
function add(x: number, y: number): number {
return x + y;
}