JAVASCRIPT

repeat a function javascript

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

string repeat javascript

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

repeat string in javascript

let text = 'Hello world!';
let result = text.repeat(4);

console.log(result);

Repeat a String Repeat a String-Javascript

function repeatStringNumTimes(str, num) {
  if (num < 1) {
    return "";
  } else {
    return str + repeatStringNumTimes(str, num - 1);
  }
}