in Hands-on lab/lab-files/src/Contoso Sports League/Contoso.Apps.SportsLeague.Web/wwwroot/js/plugins.js [1259:1274]
$(document).on('click.bs.modal.data-api', '[data-toggle="modal"]', function (e) {
var $this = $(this)
var href = $this.attr('href')
var $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) // strip for ie7
var option = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())
if ($this.is('a')) e.preventDefault()
$target.one('show.bs.modal', function (showEvent) {
if (showEvent.isDefaultPrevented()) return // only register focus restorer if modal will actually get shown
$target.one('hidden.bs.modal', function () {
$this.is(':visible') && $this.trigger('focus')
})
})
Plugin.call($target, option, this)
})