/* The string.repeat(n) method constructs and returns a new string
with "n" number of copies. */

const chorus = "Because I'm happy. ";
console.log(`Chorus lyrics: ${chorus.repeat(3)}`);
// → "Chorus lyrics: Because I'm happy. Because I'm happy. Because I'm happy. "

// Use within a function
greeting = (n, words) => words.repeat(n);
console.log(greeting(5, "howdy ")); 
// → "howdy howdy howdy howdy howdy "

// best implementation
repeatStr = (n, s) => s.repeat(n);

setInterval(function(){
  console.log("Hello");
  console.log("World");
}, 2000); //repeat every 2s