<html><head> <script type="text/javascript"> function checkAll(field){ var checkboxes = document.getElementsByName("choice"); for(var i=0;i<checkboxes.length;i++){ checkboxes[i].checked = field.checked; } } </script> </head> <body> <div><table width="100%" border="1" cellpadding="1" style="text-align:center"> <tr> <td><input id="allchecked" type="checkbox" onclick="checkAll(this);">全選</td> <td><b>產品名稱</b></td> <td><b>價格(元)</b></td> <td><b>數量</b></td> </tr> <tr> <td><input name="choice" type="checkbox"></td> <td>李寧</td> <td>300</td> <td>500</td> </tr> <tr> <td><input name="choice" type="checkbox"></td> <td>耐克</td> <td>600</td> <td>500</td> </tr> <tr> <td><input name="choice" type="checkbox"></td> <td>以純</td> <td>200</td> <td>500</td> </tr> <tr> <td><input name="choice" type="checkbox"></td> <td>森馬</td> <td>200</td> <td>500</td> </tr> <tr> <td><input name="choice" type="checkbox"></td> <td>美特</td> <td>200</td> <td>500</td> </tr> <tr> <td><input name="choice" type="checkbox"></td> <td>真維斯</td> <td>200</td> <td>500</td> </tr></table></div> </body></html>