Changes between Initial Version and Version 12 of Ticket #9958
- Timestamp:
- Jun 4, 2013, 12:14:00 PM (12 years ago)
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Ticket #9958
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Ticket #9958 – Description
initial v12 17 17 18 18 Is anyway to avoid it? 19 20 ---- 21 **Edit:**[[BR]] 22 Native way to reproduce: 23 {{{ 24 window.onbeforeunload = function(){ 25 return 'beforeunload'; 26 }; 27 }}} 28 29 Below causes onbeforeunload only in IE9 and IE10 (mentioned in #10484): 30 {{{ 31 window.attachEvent('onbeforeunload', function() { 32 return 'You will lose your content.'; 33 }); 34 }}}