src/tracker.js
/**
   * Generic method to call any tracker method
   */
Generic method to call any tracker method
Generic method to call any tracker method
call(funcName) {
    if (isFunction(this[funcName])) {
      this[funcName].apply(this, Array.prototype.slice.call(arguments, 1));
    }
  }
call ( funcName ) { if ( isFunction ( this [ funcName ] ) ) { this [ funcName ] . apply ( this , Array . prototype . slice . call ( arguments , 1 ) ) ; } }
Generic method to call any tracker method
Generic method to call any tracker method