What is the best way to format number variables with commas in javascript

Question

I am running into an issue formatting a javascript number. What is the equivalent of this csharp code in javascript:

 var cSharpNumber = 10000;
 string formattedNumber = cSharpNumber.ToString("#,###");  //this should show 10,000

I would like to avoid having to bring in other plugins if possible

AHM · Accepted Answer · 2011-10-11 15:27:32Z

4

JavaScript doesn't provide any way to do this out of the box, so you will have to use some custom code. A quick google search turned up this, which looks good to me:

http://www.mredkj.com/javascript/nfbasic.html

answered Oct 11, 2011 at 15:27

AHM

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David Laberge · Accepted Answer · 2011-10-11 15:27:59Z

1

I found that code a long time and it has been working fine since : http://phpjs.org/functions/number_format:481

answered Oct 11, 2011 at 15:27

David Laberge

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1 Comment

Sam Sehnert Over a year ago

The phpjs.org number_format is an excellent option. Here's a jQuery wrapper for that method.

kennebec · Accepted Answer · 2011-10-11 16:19:48Z

0

function addCommas(n){
    var rx=  /(\d+)(\d{3})/;
    return String(n).replace(/^\d+/, function(w){
        while(rx.test(w)){
            w= w.replace(rx, '$1,$2');
        }
        return w;
    });
}


returned values:
235=235
999.99=999.99
'1200000'=1,200,000
12345=12,345
10652.23=10,652.23

answered Oct 11, 2011 at 16:19

kennebec

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