JQ

<script src="jquery-1.8.3.min.js"></script>

    <script type="text/javascript">

        function Select(obj) {

            //获取参数

            var str = $(obj).attr('data-name');

            //获取name=color的input标签

            var name = $('input[name=color]');

            //循环name=color的input标签

            for (var i = 0; i < name.length; i++) {

                switch (str) {

                    case 'Q':

                        //全选为true

                        name[i].checked = true;

                        break;

                    case 'F':

                        //取反为对立

                        name[i].checked = !name[i].checked;

                        break;

                    case 'B':

                        //不选为false

                        name[i].checked = false;

                        break;

                }

            }

        }

//var num = $("input[type=checkbox]:checked").length;

    </script>

HTML

<input type="checkbox" name="color" value="红色" />红色

    <input type="checkbox" name="color" value="黑色" />黑色

    <input type="checkbox" name="color" value="绿色" />绿色

    <input type="checkbox" name="color" value="蓝色" />蓝色

    <br />

    <br />

    &nbsp<input type="button" name="name" value="全选" data-name="Q" οnclick="Select($(this))" />

    &nbsp<input type="button" name="name" value="反选" data-name="F" οnclick="Select($(this))" />

    &nbsp<input type="button" name="name" value="不选" data-name="B" οnclick="Select($(this))" />