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Issue metadata

Status: Duplicate
Merged: issue 90
Owner: ----
Closed: Jul 2010
HW: ----
NextAction: ----
OS: ----
Priority: ----
Type: ----

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javascript Array.sort() bug

Reported by, Jul 15 2010

Issue description

try running 
[{sortId:1,title:'a'},{sortId:1,title:'b'},{sortId:1,title:'c'},{sortId:1,title:'d'}].sort(function(a,b){return b.sortId-a.sortId});

in Chrome 5.0.375.99, it gives you [{sortId:1,title:'b'}, {sortId:1,title:'c'}, {sortId:1,title:'a'}]. Huh?

in Firefox 3.0, Safari 3.1 and IE7 it gives you [{sortId:1,title:'a'}, {sortId:1,title:'b'}, {sortId:1,title:'c'}] as 

i had seen  Issue 103 ,it doesn't work

Comment 1 by, Jul 15 2010

Mergedinto: 90
Status: Duplicate
This is working as intended. The output is correctly sorted by sortId. If you want to sort by title as well that should be part of the sort function. The issue here is whether or not the sort algorithm is stable. V8 does not use a stable sorting algorithm.

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