JAVASCRIPT

javascript custom repeat function

/* Build a custom repeat function: perform an action "n" times. */

repeat = (n, action) => {
  for (let i = 0; i < n; i++) {
    action(i);
  }
}

repeat(5, n => {
  console.log(2 * n);
});
// → 0 2 4 6 8

repeat a function javascript

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

javascript repeat function

/* 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 "