https://eloquentjavascript.net/08_error.html#i_n1zYouiAfX

Eloquent JavaScript 0801 Retry.js

class MultiplicatorUnitFailure extends Error {}

function primitiveMultiply(a, b) {
  if (Math.random() < 0.2) {
    return a * b;
  } else {
    throw new MultiplicatorUnitFailure("Klunk");
  }
}

function reliableMultiply(a, b) {
  // Your code here.
  let ret;
  while(!ret) {
    try {
      ret = primitiveMultiply(a, b);
    } catch (error) {
      if (error instanceof MultiplicatorUnitFailure) {
        console.log('Failed to get the result');
      } else {
        throw error;
      }
    }
  }
  return ret;
}

console.log(reliableMultiply(8, 8));
// → 64