我需要根据从下拉列表中选择的选项更改两个不同的隐藏输入值。一个输入值需要所选选项的值。 (这是工作。)第二个隐藏的输入值需要所选选项的ID。 (这不起作用。)我已经搜索了一个解决方案,但没有找到答案。如何更改2个隐藏的输入值与选择选项值和使用Javascript的ID
<form name="cookbook" id="giftform" action="giftcard.php" onsubmit="redirectOutput(this)">
<div class="productSelectInput">
<p>Select your combination of cookbook and gift card amount to buy now.
<select onchange="GetSelectedValue(this)" id="cookbooks">
<option id="Giftcard25" value="43.25" selected="selected">Signed Uchi Cookbook & $25 gift card. Price: $43.25</option>
<option id="Giftcard50" value="93.25">Signed Uchi Cookbook & $50 Gift Card. Price: $93.25</option>
<option id="Giftcard75" value="118.25">Signed Uchi Cookbook & $75 Gift Card. Price: $118.25</option>
<option id="Giftcard100" value="143.25">Signed Uchi Cookbook & $100 Gift Card. Price: $143.25</option>
<option id="Giftcard150" value="193.25">Signed Uchi Cookbook & $150 Gift Card. Price: $193.25</option>
<option id="Giftcard200" value="243.25">Signed Uchi Cookbook & $200 Gift Card. Price: $243.25</option>
<option id="Giftcard250" value="293.25">Signed Uchi Cookbook & $250 Gift Card. Price: $293.25</option>
</select>
</p>
<p>If you are sending this gift directly to your recipient, you may enter a gift message here (please include sender's name, if applicable)
<textarea cols="43" rows="3" name="giftmessage" class="giftmessage"></textarea>
</p>
</div>
<input type="hidden" name="description" id="description" value="" />
<input type="hidden" name="amount" id="amount" value="43.25" />
<input type="submit" value="Buy Now" class="simple-input" />
</form>
<script type="text/javascript">
function GetSelectedValue(cookbooks) {
var selectedValue = cookbooks.value;
document.cookbook.amount.value = selectedValue;
var selectedMy = document.getElementById("cookbooks").id;
document.getElementById("typegc") = selectedMy;
}
</script>
谢谢豪尔赫。这很好。 –