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Validation of a input number using Java script

 
Greenhorn
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Hi All ,

Please someone provide the javascript code for validation of a input number .


Conditions -

If we input like 0005 ,it should throw error ,but if we input 5 it should not throw any error (It means zeroes are not allowed before any number) .


If we input 0,it should not throw any error (Single zero is allowed ).


 
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Eric
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