gurisko

'use strict';

const findFirstOccurrence = (string, searchElements, fromIndex = 0) => {
  let min = string.length;
  for (let i = 0; i < searchElements.length; i += 1) {
    const occ = string.indexOf(searchElements[i], fromIndex);
    if (occ !== -1 && occ < min) {
      min = occ;
    }
  }