Out of curiosity, what rules apply here exactly?

alert([-Infinity, -1, Infinity, 0, 1].sort());

Outputs: -1, -Infinity, 0, 1, Infinity

JSFiddle: /

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How is it that -Infinity gets sorted between -1 and 0?

Out of curiosity, what rules apply here exactly?

alert([-Infinity, -1, Infinity, 0, 1].sort());

Outputs: -1, -Infinity, 0, 1, Infinity

JSFiddle: http://jsfiddle/8tVGb/

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How is it that -Infinity gets sorted between -1 and 0?

• javascript
• sorting

Share Improve this question Follow edited Jul 31, 2013 at 1:43 Maciej A. Czyzewski 1,52911 gold badge1313 silver badges2424 bronze badges asked Jul 31, 2013 at 1:39 GOTO 0GOTO 0 48.1k2525 gold badges139139 silver badges164164 bronze badges 0

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1 Answer 1

Sorted by: Reset to default 13

If you don't use a custom pare function, sort always converts the items to strings and orders them lexicographically. Use

….sort(function(a,b){ return a-b; })

See also How to sort an array of integers correctly