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17:49
04/05/2011
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Hello.
In Opera-browser titles for cells do not show.
To fix it i change return value on mouseover event:
ptr = $(e.target).closest("tr.jqgrow");
if($(ptr).attr("class") !== "subgrid") {
$(ptr).addClass("ui-state-hover");
}
return true;
})...
Why you want to prevent default action?
That's why Opera can not show tooltip.
00:50
10/08/2009
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Hello Mark!
It sounds very interesting what you found out. The best seems to me to remove any "return" (neither "return false;" nor "return true;") from the code of mouseover and mouseout event handler.
Best regards
Oleg
02:30
04/05/2011
Offline
Yes it looks like a correct way too.
Because return value of event handler just check for 'false'.
We can return anything (return {test: '333'};, for example), and it works.
I paste 'return true' to improve readability of code and prevent writing 'return false' again 
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