maia-util/es6/get_unique.js

Utility math and music functions supporting various applications by Music Artificial Intelligence Algorithms, Inc.

export default function get_unique(arr){
  // Tom Collins 24/11/2014.
  // In
  // arr Array mandatory
  // Out Array
  // This function returns unique elements from the input array. It will not
  // handle nested arrays properly (see unique_rows).

  var a = [];
  for (let i=0, l=arr.length; i<l; i++){
    if (a.indexOf(arr[i]) === -1){
      a.push(arr[i]);
    }
  }
  return a;
}