jQuery实现全选、不选和反选功能

jQuery结合Font Awesome字体图标实现全选、不选和反选功能
Font Awesome字体图标链接地址：http://www.fontawesome.com.cn/faicons/
效果：
代码：
<!DOCTYPE html>

<html>

<head>

    <meta charset="UTF-8">

    <title></title>

    <link rel="stylesheet" type="text/css" href="font-awesome-4.7.0/css/font-awesome.min.css" />

    <style type="text/css">

        label {

            display: inline-flex;

            display: -webkit-inline-flex;

            position: relative;

            cursor: pointer;

            width: 6%;

        }

        .box {

            cursor: pointer;

            width: 16px;

            height: 16px;

            appearance: none;

            -webkit-appearance: none;

            -moz-appearance: none;

            border: 1px solid lightblue;

            background: lightblue;

        }

        .fa-check {

            position: absolute;

            top: 3px;

            left: 2px;

            color: #fff;

            border: none;

        }

    </style>

</head>

<body>

    <div class="wrapper">

        <label>

			<input type="checkbox" class="box"/>

			<span class="remeber">

				香蕉

			</span>

			<i class="fa fa-fw"></i>

		</label>

        <label class="wrapper">

			<input type="checkbox" class="box" />

			<span class="remeber">

				苹果

			</span>

			<i class="fa fa-fw"></i>

		</label>

        <label class="wrapper">

			<input type="checkbox" class="box"/>

			<span class="remeber">

				西瓜

			</span>

			<i class="fa fa-fw"></i>

		</label>

        <label class="wrapper">

			<input type="checkbox" class="box"/>

			<span class="remeber">

				橘子

			</span>

			<i class="fa fa-fw"></i>

		</label>

    </div>

    <br>

    <input type="button" name="" id="check-all" value="全选" />

    <input type="button" name="" id="check-no" value="不选" />

    <input type="button" name="" id="check-reverse" value="反选" />

    <script type="text/javascript" src="js/jquery-1.10.2.min.js"></script>

    <script type="text/javascript">

        $(function() {

            $('body').on("click", ".box", function() {

                $(this).parent().find('.fa').toggleClass('fa-check');

            });

            //全选

            $("#check-all").click(function() {

                $(".wrapper label i").each(function() {

                    $(this).addClass("fa-check");

                })

            });

            //不选

            $("#check-no").click(function() {

                $(".wrapper label i").each(function() {

                    $(this).removeClass("fa-check");

                })

            });

            //反选

            $("#check-reverse").click(function() {

                $(".wrapper label i").each(function() {

                    $(this).toggleClass("fa-check");

                })

            });

        })

    </script>

</body>

</html>