> On May 23, 6:35 pm, moua@yahoo.com wrote:> I have this array:

> > [{"acct":"A1","dr":100,"cr":100},{"acct":"A2","dr":200,"cr":200},
> > {"acct":"A1","dr":300,"cr",300},{"acct":"A2","dr":400,"cr",400}]

> > How would I get the subtotal of each acct so that total for A1 dr/cr
> > is 400 and total for A2 dr/cr is 600.

> -----
>   function getTotal(arr,acc){
>    var i=0,n,drtotal=0,crtotal=0;
>    while(n=arr[i++])
>     if(n.acct==acc){
>      drtotal+=n.dr
>      crtotal+=n.cr
>     }
>    return [drtotal,crtotal]
>   }

> -----

> Example:
>   d=[{"acct":"A1","dr":100,"cr":100},{"acct":"A2","dr":200,"cr":200},
>      {"acct":"A1","dr":300,"cr":350},{"acct":"A2","dr":400,"cr":400}]
>   alert(getTotal(d,"A1"))

}