Node.js - Express.io: Different session saving in different browsers -


how , if sessions correct saved differs in node.js' express.io (all in latest version) different browsers. how fix misbehavior?

code:

app.get('/home', function(req, res) {     req.session.variable = 'value';     req.session.save(function() {         console.log(req.session);     });     res.send('<script src="/socket.io/socket.io.js"></script>\               <script>var socket = io.connect();</script>\               home content'); });  app.io.route('disconnect', function(req) {     console.log('-------------------------------');     console.log(req.session);     req.session.variable = '';     req.session.save(function() {         console.log(req.session);         console.log('-------------------------------');     }); });

situation: i'm on /home page , reload page. output of console in every(?) browser except chrome after reload:

{ cookie:    { path: '/',      _expires: mon may 19 2014 01:40:59 gmt+0200,      originalmaxage: 31536000000,      httponly: true },   variable: 'value' }  // reload:  ------------------------------- { cookie:    { originalmaxage: 31536000000,      expires: '2014-05-18t23:40:59.399z',      httponly: true,      path: '/' },   variable: 'value',   touch: [function],   resetmaxage: [function],   save: [function],   reload: [function],   destroy: [function],   regenerate: [function] } { cookie:    { originalmaxage: 31536000000,      expires: '2014-05-18t23:40:59.399z',      httponly: true,      path: '/' },   variable: '',   touch: [function],   resetmaxage: [function],   save: [function],   reload: [function],   destroy: [function],   regenerate: [function] } ------------------------------- { cookie:    { path: '/',      _expires: mon may 19 2014 01:41:03 gmt+0200,      originalmaxage: 31536000000,      httponly: true },   variable: 'value' }

in chrome:

{ cookie:    { path: '/',      _expires: mon may 19 2014 00:43:37 gmt+0200,      originalmaxage: 31536000000,      httponly: true },   variable: 'value' }  // reload  { cookie:    { path: '/',      _expires: mon may 19 2014 00:43:37 gmt+0200,      originalmaxage: 31536000000,      httponly: true },   variable: 'value' } ------------------------------- { cookie:    { originalmaxage: 31536000000,      expires: '2014-05-18t23:36:58.926z',      httponly: true,      path: '/' },   variable: 'value',   touch: [function],   resetmaxage: [function],   save: [function],   reload: [function],   destroy: [function],   regenerate: [function] } { cookie:    { originalmaxage: 31536000000,      expires: '2014-05-18t23:36:58.926z',      httponly: true,      path: '/' },   variable: '',   touch: [function],   resetmaxage: [function],   save: [function],   reload: [function],   destroy: [function],   regenerate: [function] } -------------------------------

may bug of chrome , not express.io? it's weird log order different in chrome other browser.

what need session variable should deleted/empty if user navigates away page (which sets variable).

i think solved problem long time ago setting setting sync disconnect on unload on client side that:

var socket = io.connect('your-socket-url.com', {     'sync disconnect on unload': true });

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