dist/howler.js
function(id) {
      var self = this;

      if (typeof id === 'undefined') {
        var ids = [];
        for (var i=0; i<self._sounds.length; i++) {
          ids.push(self._sounds[i]._id);
        }

        return ids;
      } else {
        return [id];
      }
    }
function(id) {
      var self = this;

      if (typeof id === 'undefined') {
        var ids = [];
        for (var i=0; i<self._sounds.length; i++) {
          ids.push(self._sounds[i]._id);
        }

        return ids;
      } else {
        return [id];
      }
    }
function ( id ) { var self = this ; if ( typeof id === 'undefined' ) { var ids = [ ] ; for ( var i = 0 ; i < self . _sounds . length ; i ++ ) { ids . push ( self . _sounds [ i ] . _id ) ; } return ids ; } else { return [ id ] ; } }
Get all ID's from the sounds pool.
@param  {Number} id Only return one ID if one is passed.
@return {Array}    Array of IDs.
Get all ID s from the sounds pool .