It's seems to work on Firefox bu tat Opera's console I found
[06/17/2013 01:49:41 PM] JavaScript -
http://en.lichess.org/Event thread: click
Uncaught exception: DOMException: QUOTA_EXCEEDED_ERR
Error thrown at line 1, column 490 in <anonymous function: set>(m, v) in
http://static.lichess.org/assets/compiled/big.js?v=69:
window.localStorage?localStorage.setItem(m,v):null
called from line 80, column 27 in <anonymous function>() in
http://static.lichess.org/assets/compiled/big.js?v=69:
storage.set("lobbytab",a)
called via Function.prototype.apply() from line 5, column 19016 in <anonymous function: dispatch>(e) in
http://static.lichess.org/assets/javascripts/deps.min.js?v=69:
(!e.namespace_re||e.namespace_re.test(o.namespace))&&(e.handleObj=o,e.data=o.data,r=((x.event.special[o.origType]||{}).handle||o.handler).apply(i.elem,a),r!==undefined&&(e.result=r)===!1&&(e.preventDefault(),e.stopPropagation()))
called from line 5, column 13082 in <anonymous function: y.handle>(e) in
http://static.lichess.org/assets/javascripts/deps.min.js?v=69:
return typeof x===r||e&&x.event.triggered===e.type?undefined:x.event.dispatch.apply(a.elem,arguments)
After click on game at Graph mode