list boxes(A,B) with some duplicate values

Posted by Dev on Stack Overflow See other posts from Stack Overflow or by Dev
Published on 2010-05-07T07:15:54Z Indexed on 2010/05/07 7:18 UTC
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JavaScript

I have two list boxes(A,B) with some duplicate values and i can send values from A to B or B to A using send button and i have one save button.

For the first time without sending any list box if i click on save button i am showing message like "NO changes or Done"

But once i send one item from A to B and again sending that same item from B to A it means no changes or Done. here also i want to show same message "NO changes or Done" .but i am unable to find the staus can any one pleasse give code or tips to find the default status for listboxs in javascript.

Thanks

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