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JSP issue

 
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Using JSP I am displaying one table with 10 columns. I need to compare value in one column(say A,Static in nature) with value in another column (say B,which end user is going to enter through textfield)& want to show a message through alert if B<A. How i could achieve the same?

Shriniwas
 
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Please do not crosspost. This thread should be closed because a rancher has already answered in the other one.
https://coderanch.com/t/118842/HTML-JavaScript/compare-columns
 
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