javascript 复选框选择/全选后特效

运行效果

<style type="text/css"> @charset "utf-8"; .content form { margin:0; } table { border:1px solid #ccc; background:#e4e4e4; } td { border-top:1px solid #ccc; background:#fff; font-size:12px; } th,td,.quantity { text-align:center; font-family:arial, helvetica, sans-serif; } .price { width:11%; text-align:right; } .whl {color:#090;cursor:help} .stotal { text-align:right; width:15%; } .quantity { border:none; width:66px; height:16px; } #productrow {width:49%} #totalrow th { text-align:right; } #quantityrow {width:13%;} #functions {border-top:1px solid #999;padding-top:10px} #functions p {margin-top:10px} #functions span {color:#00f;margin:0 2px;cursor:pointer} #functions input { border:1px solid #666; border-top:1px solid #fff; border-left:1px solid #fff; font-family:arial, helvetica, sans-serif; font-size:12px; height:20px; margin:0 2px; } .chk *{ background-color:#eeeeee; } </style> <div class="content"> <form name="cart" action="/update.php" method="post"> <table border="0" width="100%"><tbody> <tr> <th scope="col">删除</th> <th scope="col" id="productrow">商品</th> <th scope="col">价钱</th> <th scope="col" id="quantityrow">数量</th> <th scope="col">总共</th> </tr> <tr> <td><div><input name="delete[1]" value="1" type="checkbox"></div></td> <td></td> <td class="price"><span class="whl" title="precio por mayor">$8000</span></td> <td><div><input name="quantity[1]" class="quantity" value="20" maxlength="3" type="text"></div></td> <td class="stotal">$160000</td> </tr> <tr> <td><div><input name="delete[7]" value="1" type="checkbox"></div></td> <td></td> <td class="price"><span>$8400</span></td> <td><div><input name="quantity[7]" class="quantity" value="1" maxlength="3" type="text"></div></td> <td class="stotal">$8400</td> </tr> <tr id="totalrow"> <th colspan="3">总共:</th> <td>21</td> <td class="stotal">$168400</td> </tr> </tbody></table> <div id="functions"> <input name="update" value="更新" type="submit"><input name="buy" value="完成购物" type="submit"> </div> </form> </div>
[ctrl+a 全选 注:如需引入外部js需刷新才能执行]