in templates/ydotm/bootstrap3.js [820:865]
Modal.prototype.show = function (_relatedTarget) {
var that = this
var e = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })
this.$element.trigger(e)
if (this.isShown || e.isDefaultPrevented()) return
this.isShown = true
this.escape()
this.$element.on('click.dismiss.bs.modal', '[data-dismiss="modal"]', $.proxy(this.hide, this))
this.backdrop(function () {
var transition = $.support.transition && that.$element.hasClass('fade')
if (!that.$element.parent().length) {
that.$element.appendTo(document.body) // don't move modals dom position
}
that.$element
.show()
.scrollTop(0)
if (transition) {
that.$element[0].offsetWidth // force reflow
}
that.$element
.addClass('in')
.attr('aria-hidden', false)
that.enforceFocus()
var e = $.Event('shown.bs.modal', { relatedTarget: _relatedTarget })
transition ?
that.$element.find('.modal-dialog') // wait for modal to slide in
.one($.support.transition.end, function () {
that.$element.focus().trigger(e)
})
.emulateTransitionEnd(300) :
that.$element.focus().trigger(e)
})
}