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Fix #14379: AJAX requests on unload

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This commit is contained in:
Richard Gibson 2013-10-28 17:40:13 -04:00
parent ebabb33411
commit f9d41ac641
3 changed files with 37 additions and 4 deletions
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6
src/ajax/xhr.js
View File

@ -18,18 +18,16 @@ var xhrSupported = jQuery.ajaxSettings.xhr(),
// #1450: sometimes IE returns 1223 when it should be 204
1223: 204
},
// Support: IE9
// We need to keep track of outbound xhr and abort them manually
// because IE is not smart enough to do it all by itself
xhrId = 0,
xhrCallbacks = {};
// Support: IE9
// Open requests must be manually aborted on unload (#5280)
if ( window.ActiveXObject ) {
jQuery( window ).on( "unload", function() {
for ( var key in xhrCallbacks ) {
xhrCallbacks[ key ]();
}
xhrCallbacks = undefined;
});
}

30
test/data/ajax/onunload.html Normal file
View File

@ -0,0 +1,30 @@
<!doctype html>
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8"/>
<title>onunload ajax requests (#14379)</title>
<script src="../../jquery.js"></script>
</head>
<body>
<form id="navigate" action="about:blank"></form>
<script>
jQuery( window ).on( "unload", function() {
var ajaxStatus;
jQuery.ajax({
url: "../name.html",
async: false,
complete: function( xhr, status ) {
ajaxStatus = status;
}
});
parent.iframeCallback( ajaxStatus );
});
jQuery(function() {
setTimeout(function() {
document.getElementById( "navigate" ).submit();
}, 0 );
});
</script>
</body>
</html>

5
test/unit/ajax.js
View File

@ -1522,6 +1522,11 @@ module( "ajax", {
}
} );
testIframeWithCallback( "#14379 - jQuery.ajax() on unload", "ajax/onunload.html", function( status ) {
expect( 1 );
strictEqual( status, "success", "Request completed" );
});
//----------- jQuery.ajaxPrefilter()
ajaxTest( "jQuery.ajaxPrefilter() - abort", 1, {