jQuery操作checkbox選擇

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1、checkbox list選擇

<!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 () {            // 全選            $("#btnCheckAll").bind("click", function () {                $("[name = chkItem]:checkbox").attr("checked", true);            });            // 全不選            $("#btnCheckNone").bind("click", function () {                $("[name = chkItem]:checkbox").attr("checked", false);            });            // 反選            $("#btnCheckReverse").bind("click", function () {                $("[name = chkItem]:checkbox").each(function () {                    $(this).attr("checked", !$(this).attr("checked"));                });            });            // 全不選            $("#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="今日話題" />今日話題        <input name="chkItem" type="checkbox" value="視覺焦點" />視覺焦點        <input name="chkItem" type="checkbox" value="財經" />財經        <input name="chkItem" type="checkbox" value="汽車" />汽車        <input name="chkItem" type="checkbox" value="科技" />科技        <input name="chkItem" type="checkbox" value="房產" />房產        <input name="chkItem" type="checkbox" value="旅遊" />旅遊    </div>    <div>        <input id="btnCheckAll" type="button" value="全選" />        <input id="btnCheckNone" type="button" value="全不選" />        <input id="btnCheckReverse" type="button" value="反選" />        <input id="btnSubmit" type="button" value="提交" />    </div></body></html>

2、checkbox table選中

<!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>    <style type="text/css">        table        {            border-collapse: collapse;        }        td        {            border: 1px solid #ccc;        }    </style>    <script src="Scripts/jquery-1.7.min.js" type="text/javascript"></script>    <script type="text/javascript">        $(function () {            // chkAll全選事件            $("#chkAll").bind("click", function () {                $("[name = chkItem]:checkbox").attr("checked", this.checked);            });            // chkItem事件            $("[name = chkItem]:checkbox").bind("click", function () {                var $chk = $("[name = chkItem]:checkbox");                $("#chkAll").attr("checked", $chk.length == $chk.filter(":checked").length);            })        });    </script></head><body>    <table id="tb">        <thead>            <tr>                <td>                    <input id="chkAll" type="checkbox" />                </td>                <td>                    分類名稱                </td>            </tr>        </thead>        <tbody>            <tr>                <td>                    <input name="chkItem" type="checkbox" value="今日話題" />                </td>                <td>                    今日話題                </td>            </tr>            <tr>                <td>                    <input name="chkItem" type="checkbox" value="視覺焦點" />                </td>                <td>                    視覺焦點                </td>            </tr>            <tr>                <td>                    <input name="chkItem" type="checkbox" value="財經" />                </td>                <td>                    財經                </td>            </tr>            <tr>                <td>                    <input name="chkItem" type="checkbox" value="汽車" />                </td>                <td>                    汽車                </td>            </tr>            <tr>                <td>                    <input name="chkItem" type="checkbox" value="科技" />                </td>                <td>                    科技                </td>            </tr>            <tr>                <td>                    <input name="chkItem" type="checkbox" value="房產" />                </td>                <td>                    房產                </td>            </tr>            <tr>                <td>                    <input name="chkItem" type="checkbox" value="旅遊" />                </td>                <td>                    旅遊                </td>            </tr>        </tbody>    </table></body></html>


jQuery操作checkbox選擇

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