Display a confirm box (dialog)
<html> <head> <script type="text/javascript"> function disp_confirm(){ var name=confirm("Press a button") if (name==true){ document.write("OK!") }else{ document.write("Cancel!") } } </script> </head> <body> <form> <input type="button" onclick="disp_confirm()" value="Display a confirm box"> </form> </body> </html>