JQuery / Javascript冲突？ - 根据选择选项不起作用显示/隐藏div
我有一张预订表格，我想根据选择的选项中的号码添加多个服务员。
我在这里有自己的工作 - https://jsfiddle.net/dentjames/7buxvd87/1/
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<script type='text/javascript' src='//code.jquery.com/jquery-1.10.1.js'></script>
<script type='text/javascript'>
jQuery(function () {
var $blocks = $('.block');
$('#choices').change(function () {
$blocks.slice(0, +this.value || 1).show();
$blocks.slice(+this.value || 1).hide();
}).change()
})
</script>
</head>
<body>
<select id="choices">
<option value="">Please choose number of children</option>
<option value="1">1 Child</option>
<option value="2">2 Children</option>
<option value="3">3 Children</option>
<option value="4">4 Children</option>
<option value="5">5 Children</option>
</select>
<div id="block-1" class="block">
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text"><br><strong>First child</strong></div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* First Name:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cfname" type="text" id="Child First Name" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* Surname:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="csname" type="text" id="Child Surname" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">Sex:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<select name="csex" size="1" id="Child Sex">
<option value="Boy">Boy</option>
<option value="Girl">Girl</option>
</select>
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* Date of Birth:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cdob" type="text" id="Child Date of Birth" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" nowrap class="bodytext1">
<div align="left" class="text">Age at time of booking:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cage" type="text" id="Child age at time of booking" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">Current school:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cschool" type="text" id="Child current school" size="40">
</font></span>
</div>
</td>
</tr>
</div>
<div id="block-2" class="block">
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text"><br><strong>Second child</strong></div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* First Name:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cfname" type="text" id="Child First Name" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* Surname:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="csname" type="text" id="Child Surname" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">Sex:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<select name="csex" size="1" id="Child Sex">
<option value="Boy">Boy</option>
<option value="Girl">Girl</option>
</select>
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* Date of Birth:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cdob" type="text" id="Child Date of Birth" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" nowrap class="bodytext1">
<div align="left" class="text">Age at time of booking:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cage" type="text" id="Child age at time of booking" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">Current school:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cschool" type="text" id="Child current school" size="40">
</font></span>
</div>
</td>
</tr>
</div>
<div id="block-3" class="block">
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text"><br><strong>Third child</strong></div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* First Name:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cfname" type="text" id="Child First Name" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* Surname:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="csname" type="text" id="Child Surname" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">Sex:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<select name="csex" size="1" id="Child Sex">
<option value="Boy">Boy</option>
<option value="Girl">Girl</option>
</select>
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* Date of Birth:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cdob" type="text" id="Child Date of Birth" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" nowrap class="bodytext1">
<div align="left" class="text">Age at time of booking:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cage" type="text" id="Child age at time of booking" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">Current school:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cschool" type="text" id="Child current school" size="40">
</font></span>
</div>
</td>
</tr>
</div>
<div id="block-4" class="block">
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text"><br><strong>Forth child</strong></div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* First Name:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cfname" type="text" id="Child First Name" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* Surname:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="csname" type="text" id="Child Surname" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">Sex:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<select name="csex" size="1" id="Child Sex">
<option value="Boy">Boy</option>
<option value="Girl">Girl</option>
</select>
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* Date of Birth:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cdob" type="text" id="Child Date of Birth" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" nowrap class="bodytext1">
<div align="left" class="text">Age at time of booking:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cage" type="text" id="Child age at time of booking" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">Current school:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cschool" type="text" id="Child current school" size="40">
</font></span>
</div>
</td>
</tr>
</div>
<div id="block-5" class="block">
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text"><br><strong>Fifth child</strong></div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* First Name:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cfname" type="text" id="Child First Name" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* Surname:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="csname" type="text" id="Child Surname" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">Sex:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<select name="csex" size="1" id="Child Sex">
<option value="Boy">Boy</option>
<option value="Girl">Girl</option>
</select>
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">* Date of Birth:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cdob" type="text" id="Child Date of Birth" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" nowrap class="bodytext1">
<div align="left" class="text">Age at time of booking:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cage" type="text" id="Child age at time of booking" size="40">
</font></span>
</div>
</td>
</tr>
<tr valign="baseline">
<td align="left" class="bodytext1">
<div align="left" class="text">Current school:</div>
</td>
<td colspan="2" align="left">
<div align="left"> <span class="text"><font color="#FFFFFF">
<input name="cschool" type="text" id="Child current school" size="40">
</font></span>
</div>
</td>
</tr>
</div>
</body>
</html>
但是当我将它合并到主窗体时，它不起作用。我确定与现有的javascript存在一些冲突，可能还有一些与php有关的问题。
整个表格可以在这里查看： http://whizzkidsclub.co.uk/horsham_bookingform_multiple.php
非常感谢任何帮助。
2 个答案:
答案 0 :(得分：1)
在url（whizkidsclub ...）中，id为block-1，block-2等的div不包含任何元素。第一个孩子，第二个孩子等的控制在div之外。
将控件移动到正确的div，它应该开始工作
编辑正如杰森所指出的那样，问题是div不能成为table元素的直接子元素。因此，解决此问题的一种方法是使用嵌套表。这是将<div id='block-1'>更改为<table id='block-1'>。那说我肯定必须有更好的方法......
此修复程序已演示here。
答案 1 :(得分：1)
您的div（block-* id）被浏览器从table拉出并插入{{1}之前}。他们在那里空无一人。我不认为table被允许作为div的直接子女。看看这个：http://jsfiddle.net/f9t4qqmw/
来源：
table检查：
<table>
<div>
<tr><td>1234</td></tr>
<tr><td>abcd</td></tr>
</div>
</table>
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