hide: function (e) {
    e && e.preventDefault()

    var that = this

    e = $.Event('hide')//if I delete this line modal won't hide

    this.$element.trigger(e)

    if (!this.isShown || e.isDefaultPrevented()) return

    this.isShown = false

    $('body').removeClass('modal-open')

    escape.call(this)

    this.$element.removeClass('in')

    $.support.transition && this.$element.hasClass('fade') ?
      hideWithTransition.call(this) :
      hideModal.call(this)

我在正确的道路上吗？