<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <script type="text/javascript">
            function a(){
                var b=confirm("是否确定")//按确认和取消输出不同的内容
                if(b==true){
                    document.write("you pressed ok!")
//                f();
                }else{
//                    document.write("you pressed cancel!")
                }
            }
            function b(){
//                var c=prompt('请输入');
                var c=prompt('请输入','ss');
                alert(c);
//                alert(parseInt(c));
//                alert(typeof(c));
//                document.write(c);
            }
            function f(){
                alert(1111);
            }
</script>
        <input type="button" onclick="a()" value="aaaa"/>
        <input type="button" onclick="b()" value="bbbb"/>
    </body>
</html>