checkBox 全选、全不选、反选

checkBox的使用:

DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

    <title>title>

    <script src="Scripts/jquery-1.7.min.js" type="text/javascript">script>

    <script type="text/javascript">

        $(function () {

            // 全选

            $("#btnCheckAll").bind("click", function () {

                $("[name = chkItem]:checkbox").attr("checked", true);

            });

 

            // 全不选

            $("#btnCheckNone").bind("click", function () {

                $("[name = chkItem]:checkbox").attr("checked", false);

            });

 

            // 反选

            $("#btnCheckReverse").bind("click", function () {

                $("[name = chkItem]:checkbox").each(function () {

                    $(this).attr("checked", !$(this).attr("checked"));

                });

            });

 

            // 全不选

            $("#btnSubmit").bind("click", function () {

                var result = new Array();

                $("[name = chkItem]:checkbox").each(function () {

                    if ($(this).is(":checked")) {

                        result.push($(this).attr("value"));

                    }

                });

 

                alert(result.join(","));

            });

        });

    script>

head>

<body>

    <div>

        <input name="chkItem" type="checkbox" value="今日话题" />今日话题

        <input name="chkItem" type="checkbox" value="视觉焦点" />视觉焦点

        <input name="chkItem" type="checkbox" value="财经" />财经

        <input name="chkItem" type="checkbox" value="汽车" />汽车

        <input name="chkItem" type="checkbox" value="科技" />科技

        <input name="chkItem" type="checkbox" value="房产" />房产

        <input name="chkItem" type="checkbox" value="旅游" />旅游

    div>

    <div>

        <input id="btnCheckAll" type="button" value="全选" />

        <input id="btnCheckNone" type="button" value="全不选" />

        <input id="btnCheckReverse" type="button" value="反选" />

        <input id="btnSubmit" type="button" value="提交" />

    div>

body>

html>

 

转载于:https://www.cnblogs.com/xbblogs/p/4897810.html

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