功能
通过复选框对显示内容进行筛选，如，勾选后仅显示在线用户。
代码
js
※需 jQuery。
function filter() {
var check =document.getElementById('checkbox');
var members = $('.member');
var status = $('.memberStatus');
if (check.checked) {
members.each(function(i, member) {
if (status[i].innerText == 'Offline') {
member.style.display = 'none';
}
});
} else {
members.each(function(i, member) {
member.style.display = '';
});
}
}
html
<input type="checkbox" name="onlineOnly" tabindex="0" id="checkbox" onclick="filter()"> <span>Show online users only</span> <table> <tr class="member"> <td> UserA </td> <td class="memberStatus"> Online </td> </tr> <tr class="member"> <td> UserB </td> <td class="memberStatus"> Offline </td> </tr> <tr class="member"> <td> UserC </td> <td class="memberStatus"> Online </td> </tr> </table>
