W3School TIY
编辑您的代码：
<!DOCTYPE html> <html> <head> <style>p { color:red; }</style> <script type="text/javascript" src="../jquery/jquery.js"></script> </head> <body> <form method="post" action=""> <fieldset> <div> <label for="two">2</label> <input type="checkbox" value="2" id="two" name="number[]"> </div> <div> <label for="four">4</label> <input type="checkbox" value="4" id="four" name="number[]"> </div> <div> <label for="six">6</label> <input type="checkbox" value="6" id="six" name="number[]"> </div> <div> <label for="eight">8</label> <input type="checkbox" value="8" id="eight" name="number[]"> </div> </fieldset> </form> <p><b>Values: </b></p> <script> $("p").append($(':checkbox').map(function() { return this.id; }).get().join(',')); </script> </body> </html>
查看结果: