typescript arrow function code example

Example 1: arrow function in typescript

//prototype 
const/let  = (params: type) : =>{
  ....
};

const PrintName =  (name: string): string => {
  return console.log("my name is " , name) ;
}

Example 2: typescript arrow function

let sum = (x: number, y: number): number => {
    return x + y;
}

sum(10, 20); //returns 30

Example 3: generic arrow function typescript

const foo = (x: T) => x;

Example 4: arrow function in ts

// ES6: With arrow function  
var getResult = (username: string, points: number): string => {  
  return `${ username } scored ${ points } points!`;  
};

getResult('joyous jackal' , 100);

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