CheckBox check action
<html> <head> <script language="JavaScript"> <!-- function checkb1() { alert("You clicked on checkbox 1"); } function checkb2() { alert("You clicked on checkbox 2"); } function checkb3() { alert("You clicked on checkbox 3"); } //--> </script> </head> <body> <form> <input type="checkbox" onClick="checkb1()">A<br> <input type="checkbox" onClick="checkb2()">B<br> <input type="checkbox" onClick="checkb3()">C </form> </body> </html>