[Javascript] Sorting Problem

[Hakan M (Backbase)]

By the way,

    element1 - element2;

isn't really doing much, since the result is not assigned anywhere. ;)

Regards,
H

Hakan M (Backbase) wrote:

> I assume that parseFloat works the same way as parseInt. It will return 
> NaN if it cannot find a number, it will NOT return '0' since it doesn't 
> convert to a number, it only tries to parse for a number.
> 
> I think the following code will eliminate your error (not tested), but 
> I'm not sure it will do what you want.
> 
> function numeric_sort(element1, element2) {
>     element1 = parseFloat(element1);
>     element2 = parseFloat(element2);
>     if(typeof(element1)!='number') element1 = 0;
>     if(typeof(element2)!='number') element2 = 0;
>     element1 - element2;
>     return element1 - element2;
> }
> 
> Regards,
> H
> 
> 
> Tim Makins wrote:
> 
>> I have a multi-dimensional array; some columns contains strings of 
>> text, and
>> other columns contain numbers. The numbers in the array are stored as
>> strings.
>>
>> When trying to sort the array, I tried the following functions with the
>> my_array.sort() command to get the different types of sort: dictionary
>> order, and numerical order. Both work fine on the columns containing
>> numbers, but if I try the numeric sort on a column containing strings, it
>> crashes with error 'Number Expected'. Is there an easy way out of this?
>>
>> Tim in Ireland.
>>
>> function alpha_sort(element1, element2) {
>>  if (element1 < element2) {return -1}
>>  else if (element1 > element2) {return 1}
>>  else {return 0}
>> }
>>
>> function numeric_sort(element1, element2) {
>>  element1 = parseFloat(element1);
>>  element2 = parseFloat(element2);
>>   element1 - element2;
>>  return element1 - element2;
>> }
>>
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>>
>>
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