jQuery從行對象獲取單元格值

Question

有一個表的行很少，一行中有一個.active類，該行的每個單元格都有每個類，在JQuery中選擇帶有.active類的表行，我如何獲取具有特定類值/文本（'.html（ ）“）

 var curentRow = $("#selectProduct tr.active); //how can i get from curentRow value/text of cell with class .prod_name? 

 <table id="selectProduct" class="productTable"> <tr> <td>Nr</td> <td>ID</td> <td>Product</td> <td>Buy Price</td> <td>Precent</td> <td>Sell Price</td> <td>Provider</td> </tr> <tr> <td class="">1</td> <td class="prod_id">1</td> <td class="prod_name">Product 1</td> <td class="buy_price">100</td> <td class="plus_percent">10</td> <td class="sell_price">110</td> <td class="provider_name">provider 1</td> </tr> <tr class="active"> <td class="">2</td> <td class="prod_id">2</td> <td class="prod_name">Product 2</td> <td class="buy_price">1000</td> <td class="plus_percent">10</td> <td class="sell_price">1100</td> <td class="provider_name">provider 2</td> </tr> <tr> <td class="">3</td> <td class="prod_id">3</td> <td class="prod_name">Product 3</td> <td class="buy_price">50</td> <td class="plus_percent">20</td> <td class="sell_price">60</td> <td class="provider_name">provider 3</td> </tr> </table> 

Answer 1

使用函數find()在行中查找所需的單元格：

var curentRow = $("#selectProduct tr.active");
var yourCell = curentRow.find('.prod_id');
var value = yourCell.text();