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Posted By

zackfern on 06/23/11

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Last Edited at 06/23/11 07:30am

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Addition CAPTCHA

/ Published in: jQuery
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Copy this code and paste it in your HTML 
  1. function random_between(to, from) {
  2. 	return Math.floor(Math.random() * (to - from + 1) + from);
  3. }
  4. $(document).ready(function() {
  5. 	var num1 = random_between(0,5)
  6. 	var num2 = random_between(5,10);
  7. 	$('label[for="captcha"]').text("What is "+num1+" + "+num2);
  8. 	$('form').submit(function() {
  9. 		if($('#captcha').val() == (num1+num2)) {
  10. 			$('form').submit();
  11. 		}
  12. 		else {
  13. 			alert("Your CAPTCHA IS NOT valid!");
  14. 			return false;
  15. 		}
  16. 	});
  17. });

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