close: function () {
            var a = this, b = function (c) {
                c.target === a.container[0] && (a.container.off(a.support.transition.end, b), a.handleClose())
            };
            this.options.onclose && this.options.onclose.call(this), this.support.transition && this.options.displayTransition ? (this.container.on(this.support.transition.end, b), this.container.removeClass(this.options.displayClass)) : this.handleClose()