01.<!DOCTYPE html>
02.<head>
04. <script src="js\jquery.maskedinput.js"></script>
05.</head>
06.
07.<body>
08.
09. <form>
10. <input id="idcard" type="text" name="form1">
11. <button onclick="checkForm(); return false;">ตรวจสอบ</button>
12. </form>
13. <div id="chk"></div>
14.
15. <script>
16. jQuery(function($){
17. $("#idcard").mask("9-9999-99999-99-9",{placeholder:" "});
18. });
19.
20. function checkID(id)
21. {
22. if(id.length != 13) return false;
23. for(i=0, sum=0; i < 12; i++)
24. sum += parseFloat(id.charAt(i))*(13-i); if((11-sum%11)%10!=parseFloat(id.charAt(12)))
25. return false; return true;}
26.
27. function checkForm()
28. {
29. var cardnum = document.getElementById('idcard').value;
30. if(!checkID(cardnum.replace(/-/g, ""))) {
31. document.getElementById('chk').innerHTML = cardnum + " รหัสประชาชนไม่ถูกต้อง";
32. } else {
33. document.getElementById('chk').innerHTML = cardnum + " รหัสประชาชนถูกต้อง";
34. }
35.}
36.</script>
37. </body>
