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Tip of the Day
Language: Java
Expertise: Intermediate
Sep 27, 2000

How to See If Data is Numeric or Non-numeric

In JavaScript you can use isNaN to check if the given data is numeric or non-numeric. Syntax : isNaN(testdata) ReturnValue :True if the testdata is non-numeric. False if the testdata is numeric. Here's an example:
 





Geetanjali Gupt
 
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