1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
  2. <html>
  3. <head>
  4. <title>Sample Code</title>
  5. <script type="text/javascript">
  6. function CheckInteger(b)
  7. {
  8. var a = /(^-?\d\d*$)/;
  9. if (a.test(b))
  10. {
  11. alert('Your Given Input "' + b + '" Is Correct.')
  12. }
  13. else
  14. {
  15. alert('Your Given Input"' + b + '" Is Not Correct.')
  16. }};
  17. </script>
  18. </head>
  19. <body bgcolor=#00ff00 alink=blue vlink=blue>
  20. <FORM name="windowEvent">
  21. Number : <input type="text" name="txtnumber" />
  22. <input type="button" value="Check Integer" name="btnCheckInteger" onClick="CheckInteger(txtnumber.value)" />
  23. </FORM>
  24. </body>
  25. </html>