01.<input type="text" id="txt1">
02.<input type="text" id="txt2">
03.<input type="text" id="txt3">
04.
05.<script>
06.function GetTimeDiff() {
07.
08. var txt1 = document.getElementById("txt1").value;
09. var txt2 = document.getElementById("txt2").value;
10.
11. start = txt1.split(":");
12. end = txt2.split(":");
13. var startDate = new Date(0, 0, 0, start[0], start[1], 0);
14. var endDate = new Date(0, 0, 0, end[0], end[1], 0);
15. var diff = endDate.getTime() - startDate.getTime();
16. var hours = Math.floor(diff / 1000 / 60 / 60);
17. diff -= hours * 1000 * 60 * 60;
18. var minutes = Math.floor(diff / 1000 / 60);
19.
20. var result = (hours < 9 ? "0" : "") + Math.abs(hours) + ":" + (minutes < 9 ? "0" : "") + minutes;
21. document.getElementById("txt3").value = result;
22.
23.}
24.
25.document.getElementById("txt1").onchange = function(){
26. GetTimeDiff();
27.};
28.document.getElementById("txt2").onchange = function(){
29. GetTimeDiff();
30.};
31.</script>
Load balance : Server 03
