1By LOVE
2$('#divStaffContent').find('input:text, input:password, select')
3                    .each(function () {
4                        $(this).val('');
5                    });
6                }
71<body>
2    <form method="" action="">
3        <input type="text" name="email" class="input" />
4        <input type="submit" value="Sign Up" class="button" />
5    </form>
6</body>
7
8<script>
9    $(document).ready(function() {
10        $(".input").val("Email Address");
11        $(".input").on("focus", function() {
12            $(".input").val("");
13        });
14        $(".button").on("click", function(event) {
15            $(".input").val("");
16        });
17    });
18</script>1<script>
2  $(document).ready(function() {
3  $( "#buttonId" ).click(function() {
4    $(':input','#formId')
5
6.not(':button, :submit, :reset, :hidden')
7
8.val('')
9
10.prop('checked', false)
11
12.prop('selected', false);
13});
14});
15</script>