IE 7/8 javascript sorting error "Number Expected"

Question

I'm having JSON object

var x=[{@Name:'test 1',@Sort:'1',@Status:'yes'},
       {@Name:'test 2',@Sort:'5',@Status:'yes'},
       {@Name:'test 3',@Sort:'4',@Status:'no'},
       {@Name:'test 5',@Sort:'2',@Status:'no'}]

I'm trying to sort the obj by @Sort,@Name and @Status.

    var orderBy="@Sort";
    x.sort(_sortObj(orderBy));

    function _sortObj(orderBy){
        return function(a,b){
           return (a[orderBy]<b[orderBy])?1:0....etc
        }
    }

It works fine in Firefox and Chrome...

But throws error in IE 7/8 as "number expected" on line

  x.sort(_sortObj(orderBy));

I'm not sure what's going on and it will be great if anyone sort this out properly.

duplicate of http://stackoverflow.com/questions/1069666/sorting-javascript-object-by-property-value — jbabey, Mar 26 '12 at 16:26
@jbabey I don't think it's necessarily a duplicate. The algorithm is correct, but it's throwing an exception in IE. — Brandan, Mar 27 '12 at 13:09

score 1 · Answer 1 · answered Mar 26 '12 at 16:04

1

That is not a JSON object. The property names and values MUST be enclosed in "double quotes".

This is probably the reason for the error in older IE, it doesn't understand the @ being there.

answered Mar 26 '12 at 16:04

Niet the Dark Absol

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Its actually an 3rd party API ... i donno why those with @ but i have to go with it – Nithish Mar 27 '12 at 05:40
can u guide to get thro this double quotes – Nithish Mar 27 '12 at 06:31

score 1 · Answer 2 · answered Mar 26 '12 at 18:02

1

In addition to Kolink's answer, IE might not be coercing your string-y numbers into actual numeric objects for the < comparison. You can perform that coercion yourself by multiplying by 1:

return (a[orderBy]*1 < b[orderBy]*1) ? 1 : 0;

answered Mar 26 '12 at 18:02

Brandan

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How are you receiving this JSON from your API? As a string? If so, you can probably perform a regular expression replacement of the malformed attributes. – Brandan Mar 27 '12 at 13:14

score 0 · Accepted Answer · answered Apr 12 '12 at 14:36

0

I got solved this issue using the below Sorting plugin,

http://www.thomasfrank.se/downloadableJS/objSort.js

Thanks guys for helping me around

answered Apr 12 '12 at 14:36

Nithish

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score 0 · Answer 4 · answered Dec 17 '12 at 06:41

i am having the same issue with you, and seems like it's an IE issue, maybe you can try this:

var orderBy="@Sort";
x.sort(_sortObj(orderBy));

function _sortObj(orderBy){
    return function(a,b){
       var aa = a,bb = b;
       return (aa[orderBy]<bb[orderBy])?1:0....etc
    }
}

you can find some help from here:http://www.zachleat.com/web/array-sort/comment-page-1/#comment-3941

IE 7/8 javascript sorting error "Number Expected"

4 Answers4