src/plugins/popper/index.js
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];
}
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];
}
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 ] ; }
Mimics the `find` method of Array
@method
@memberof Popper.Utils
@argument {Array} arr
@argument prop
@argument value
@returns index or -1
Mimics the find method of Array