attachTo(element) {
    this.options.parentElement = element
    this.core = this._coreFactory.create()
    this._addEventListeners()
    return this
  }
You can use this method to attach the player to a given element. You don't need to do this when you specify it during the player instantiation passing the `parentId` param.
@method attachTo
@param {Object} element a given element.
@return {Player} itself