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Experiment switching to using onreadystatechange rather than a setInterval for Ajax requests. Fixes #5735.

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This commit is contained in:
jeresig 2009-12-30 23:53:06 -05:00
parent a00e63ea5a
commit fe6c86d530
1 changed files with 15 additions and 28 deletions
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43
src/ajax.js
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@ -380,29 +380,21 @@ jQuery.extend({
}
// Wait for a response to come back
var onreadystatechange = function( isTimeout ) {
var onreadystatechange = xhr.onreadystatechange = function( isTimeout ) {
// The request was aborted, clear the interval and decrement jQuery.active
if ( !xhr || xhr.readyState === 0 ) {
if ( ival ) {
// clear poll interval
clearInterval( ival );
ival = null;
requestDone = true;
xhr.onreadystatechange = function(){};
// Handle the global AJAX counter
if ( s.global && ! --jQuery.active ) {
jQuery.event.trigger( "ajaxStop" );
}
// Handle the global AJAX counter
if ( s.global && ! --jQuery.active ) {
jQuery.event.trigger( "ajaxStop" );
}
// The transfer is complete and the data is available, or the request timed out
} else if ( !requestDone && xhr && (xhr.readyState === 4 || isTimeout === "timeout") ) {
requestDone = true;
// clear poll interval
if (ival) {
clearInterval(ival);
ival = null;
}
xhr.onreadystatechange = function(){};
status = isTimeout === "timeout" ?
"timeout" :
@ -446,19 +438,14 @@ jQuery.extend({
}
};
if ( s.async ) {
// don't attach the handler to the request, just poll it instead
var ival = setInterval(onreadystatechange, 13);
// Timeout checker
if ( s.timeout > 0 ) {
setTimeout(function() {
// Check to see if the request is still happening
if ( xhr && !requestDone ) {
onreadystatechange( "timeout" );
}
}, s.timeout);
}
// Timeout checker
if ( s.async && s.timeout > 0 ) {
setTimeout(function() {
// Check to see if the request is still happening
if ( xhr && !requestDone ) {
onreadystatechange( "timeout" );
}
}, s.timeout);
}
// Send the data