Function find

app/src/static/js/react-bootstrap.js:3809–3817

* Mimics the `find` method of Array * @method * @memberof Popper.Utils * @argument {Array} arr * @argument prop * @argument value * @returns index or -1

(arr, check)

function find(arr, check) {
  // use native find if supported
  if (Array.prototype.find) {
    return arr.find(check);
  } // use `filter` to obtain the same behavior of `find`


  return arr.filter(check)[0];
}
/**
 * Return the index of the matching object
 * @method