dist/vue.esm.browser.js
function toArray (list, start) {
  start = start || 0;
  let i = list.length - start;
  const ret = new Array(i);
  while (i--) {
    ret[i] = list[i + start];
  }
  return ret
}
function toArray (list, start) {
  start = start || 0;
  let i = list.length - start;
  const ret = new Array(i);
  while (i--) {
    ret[i] = list[i + start];
  }
  return ret
}
function toArray ( list , start ) { start = start || 0 ; let i = list . length - start ; const ret = new Array ( i ) ; while ( i -- ) { ret [ i ] = list [ i + start ] ; } return ret }
Convert an Array-like object to a real Array.
Convert an Array - like object to a real Array .