in src/main/resources/js/bootstrap-2.3.2.js [957:993]
, backdrop: function (callback) {
var that = this
, animate = this.$element.hasClass('fade') ? 'fade' : ''
if (this.isShown && this.options.backdrop) {
var doAnimate = $.support.transition && animate
this.$backdrop = $('<div class="modal-backdrop ' + animate + '" />')
.appendTo(document.body)
this.$backdrop.click(
this.options.backdrop == 'static' ?
$.proxy(this.$element[0].focus, this.$element[0])
: $.proxy(this.hide, this)
)
if (doAnimate) this.$backdrop[0].offsetWidth // force reflow
this.$backdrop.addClass('in')
if (!callback) return
doAnimate ?
this.$backdrop.one($.support.transition.end, callback) :
callback()
} else if (!this.isShown && this.$backdrop) {
this.$backdrop.removeClass('in')
$.support.transition && this.$element.hasClass('fade')?
this.$backdrop.one($.support.transition.end, callback) :
callback()
} else if (callback) {
callback()
}
}