(function( jQuery ) {
+// Functions to create xhrs
+function createStandardXHR() {
+ try {
+ return new window.XMLHttpRequest();
+ } catch( e ) {}
+}
+
+function createActiveXHR() {
+ try {
+ return new window.ActiveXObject("Microsoft.XMLHTTP");
+ } catch( e ) {}
+}
+
var // Next active xhr id
xhrId = jQuery.now(),
xhrUnloadAbortInstalled,
// XHR used to determine supports properties
- testXHR;
+ testXHR,
+
+ // Keep track of isLocal in case it gets removed
+ // from ajaxSettings later on
+ protocolIsLocal = jQuery.ajaxSettings.isLocal;
// Create the request object
// (This is still attached to ajaxSettings for backward compatibility)
* Additionally XMLHttpRequest can be disabled in IE7/IE8 so
* we need a fallback.
*/
- function() {
- if ( !jQuery.ajaxSettings.isLocal ) {
- try {
- return new window.XMLHttpRequest();
- } catch( xhrError ) {}
+ ( protocolIsLocal ?
+ createActiveXHR :
+ function() {
+ return createStandardXHR() || createActiveXHR();
}
-
- try {
- return new window.ActiveXObject("Microsoft.XMLHTTP");
- } catch( activeError ) {}
- } :
+ ) :
// For all other browsers, use the standard XMLHttpRequest object
- function() {
- return new window.XMLHttpRequest();
- };
+ createStandardXHR;
// Test if we can create an xhr object
-try {
- testXHR = jQuery.ajaxSettings.xhr();
-} catch( xhrCreationException ) {}
-
-//Does this browser support XHR requests?
+testXHR = jQuery.ajaxSettings.xhr();
jQuery.support.ajax = !!testXHR;
// Does this browser support crossDomain XHR requests
// for errors, could be anything really (even a real 0)
status = 302;
}
- // All same-domain - #8125, #8152: for local files, 0 is a success
- } else if( s.isLocal ) {
+ // All same-domain: for local files, 0 is a success
+ } else if( protocolIsLocal ) {
status = 200;
+ // Opera: this notifies success for all requests
+ // (verified in 11.01). Patch welcome.
}
// Opera - #6060: sets status as 0 for 304
- // and there doesn't seem to be any way to
- // detect this case. Patch VERY welcome.
+ // Patch welcome.
}
}
}
</head>
<body>
+ <h1>jQuery Local File Test</h1>
+ <ul>
+ <li>
+ Access this file using the "file:" protocol.
+ </li>
+ <li>
+ Two lines must appear below.
+ </li>
+ <li>
+ Opera will fail at detecting errors, it's a known issue.
+ </li>
+ </ul>
<script>
- jQuery.ajax( "data/badjson.js" , {
- dataType: "text"
- }).success(function() {
- $( "<div/>" ).text( "Success OK" ).appendTo( "body" );
- });
- jQuery.ajax( "data/doesnotexist.ext" , {
- dataType: "text"
- }).error(function() {
- $( "<div/>" ).text( "Error OK" ).appendTo( "body" );
- });
+ jQuery.ajax( "data/badjson.js" , {
+ dataType: "text"
+ }).success(function() {
+ jQuery( "<div/>" ).text( "Success OK" ).appendTo( "body" );
+ });
+ jQuery.ajax( "data/doesnotexist.ext" , {
+ dataType: "text"
+ }).error(function() {
+ jQuery( "<div/>" ).text( "Error OK" ).appendTo( "body" );
+ }).success(function() {
+ if ( jQuery.browser.opera ) {
+ jQuery( "<div/>" ).text( "Error Fail (Opera)" ).appendTo( "body" );
+ }
+ });
</script>
</body>
\ No newline at end of file