背景颜色 [英] Background color
问题描述
我对代码中发生的事情感到非常困惑。我有一段
的代码（如下图所示，插入了两条注释行）。它们是基本相同的文本框（名称和变量不同）。然而，
第一个出现白色背景，第二个出现
黄色/金色背景。任何有关这个谜的帮助都将是
赞赏。
Shelly
< tr>
< td>< div align =" right">< strong>回答＃2：
< / strong>< / div>< / td>
//此背景以白色显示
< td>< input name =" hint_2_Answer"类型= QUOT;文本" id =" hint_2_Answer"
value ="<？php if（isset（$ _ hint2））echo $ _hint2;？>"
maxlength =" ; 20">
< / td>
< / tr>
< tr>
< td>< div align =" right">< strong>当前电子邮件地址：
< / strong>< / div>< / td>
//此背景以黄色/金色显示
< td>< input name =" email"类型= QUOT;文本" id =" email"
value ="<？php if（isset（$ _ mail））echo $ _email; ？>"
maxlength =" 30">
< / td>
< / tr>
I am totally baffled by what is happening in my code. I have a section
of code (shown below with two comment lines inserted). They are
essentially identical text boxes (names and variables different). Yet,
the first comes up with a white background and the second comes up with
a yellow/gold background. Any help with this mystery would be
appreciated.
Shelly
<tr>
<td><div align="right"><strong>Answer #2:
</strong></div></td>
// This background comes up in white
<td><input name="hint_2_Answer" type="text" id="hint_2_Answer"
value="<?php if (isset($_hint2)) echo $_hint2;?>"
maxlength="20">
</td>
</tr>
<tr>
<td><div align="right"><strong>Current email address:
</strong></div></td>
// This background comes up in yellow/gold
<td><input name="email" type="text" id="email"
value="<?php if (isset($_mail)) echo $_email; ?>"
maxlength="30">
</td>
</tr>
推荐答案
_hint2））echo
_hint2)) echo
_hint2;？>"
maxlength =" 20">
< / td>
< / tr>
< tr>
< td>< div align =" right">< strong>当前电子邮件地址：
< / strong>< / div>< / td>
//此背景以黄色/金色显示
< td>< input name =" email"类型= QUOT;文本" id =" email"
value ="<？php if（isset（
_hint2;?>"
maxlength="20">
</td>
</tr>
<tr>
<td><div align="right"><strong>Current email address:
</strong></div></td>
// This background comes up in yellow/gold
<td><input name="email" type="text" id="email"
value="<?php if (isset(
_mail））echo
_mail)) echo
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