Repeat a string repeat a string (Ananya)

Tell us what’s happening:
I have written this code and all the criterias given below meet exactly. Can someone tell where I’m going wrong?

Your code so far

function repeatStringNumTimes(str, num) {
  if (num<=0) {
    return "";
  } else {
  for (i=1; i<=num; i++) {
  return arr.join("");

repeatStringNumTimes("*", 8);

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Link to the challenge:

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