function(o) {
    var self = this;

    // Throw an error if no source is provided.
    if (!o.src || o.src.length === 0) {
      console.error('An array of source files must be passed with any new Howl.');
      return;
    }

    self.init(o);
  }
function(o) {
    var self = this;

    // Throw an error if no source is provided.
    if (!o.src || o.src.length === 0) {
      console.error('An array of source files must be passed with any new Howl.');
      return;
    }

    self.init(o);
  }
function ( o ) { var self = this ; // Throw an error if no source is provided. if ( ! o . src || o . src . length === 0 ) { console . error ( 'An array of source files must be passed with any new Howl.' ) ; return ; } self . init ( o ) ; }
Group Methods * ************************************************************************ 
Create an audio group controller.
@param {Object} o Passed in properties for this group.
Group Methods * ************************************************************************ Create an audio group controller .
This function is called by the howl constructor to create a new Howl object.