Can't find container.contents with "most common use of pjax" rise reload page any time

[bscheshirwork]

The simplest and most common use of pjax looks like this:

$(document).pjax('a', '#pjax-container')

so... the option.fragment not definite =>

jquery-pjax/jquery.pjax.js

Lines 686 to 705 in 153262e

	if (options.fragment) {
	var $fragment = $body
	// If they specified a fragment, look for it in the response
	// and pull it out.
	if (options.fragment !== 'body') {
	$fragment = findAll($fragment, options.fragment).first()
	}
	if ($fragment.length) {
	obj.contents = options.fragment === 'body' ? $fragment : $fragment.contents()
	// If there's no title, look for data-title and title attributes
	// on the fragment
	if (!obj.title)
	obj.title = $fragment.attr('title') || $fragment.data('title')
	}
	} else if (!fullDocument) {
	obj.contents = $body
	}

in fullDocument case the obj.contents not set

jquery-pjax/jquery.pjax.js

Lines 276 to 280 in 153262e

	// If the new response is missing a body, hard load the page
	if (!container.contents) {
	locationReplace(container.url)
	return
	}