我正在尝试做出这种行为.
I'm trying to make this behavior.
当一个有一个列表框(或组合框)时,我的第一个元素(类似于选择一个")应该有一个特定的样式.
When a have a listBox (or comboBox), my first element (something like "choose one") should have a particular style.
使用这个(测试)代码:
With this (test) code:
<style type="text/css">
.testX {font-style: italic;}
</style>
(...)
<select name="name" id="id">
<option class="testeX" selected="selected" value="#">
<p class="testX">Choose One</p>
</option>
<option value="TestValue">
TestValue
</option>
当我展开列表框时,我可以在 Firefox(但在 Chrome 中看不到)上看到这种行为,但是当我选择选择一个"时,我的字段没有(斜体)样式.
i can see this behavior on Firefox (but not in Chrome) when i expand my listBox but when i select my 'Choose one' my field doesn't have the (italic) style.
我该怎么做?是否可以仅使用 HTML、CSS 或我需要更多(如 jQuery)来做到这一点?
How can i do this? Is possible do this only with HTML, CSS or i need more (like jQuery)?
谢谢.
斜体不适用于chrome和opera.请检查 http://www.electrictoolbox.com/style-select-optgroup-options-css/
italic is not apply in chrome and opera. plz check http://www.electrictoolbox.com/style-select-optgroup-options-css/
我们可以为选项提供任何设计.
we can give any design for options.
<select name="name" id="id">
<option style='font-style: italic; font-weight:bold;' selected="selected" value="#">
<span>Choose One</span>
</option>
<optgroup label="Option group 1">
<option value="TestValue"> TestValue</option>
<option value="TestValue"> TestValue</option>
<option value="TestValue"> TestValue</option>
</optgroup>
</select>
css:
select option {
background: none repeat scroll 0 0 #E5E3E3;
border: 1px dotted #CCCCCC;
height: 15px;
line-height: 15px;
text-indent: 3px;
text-transform: capitalize;
z-index: -9999;
}
optgroup { /* Change font style and text alignment */
font-style:italic;
text-align:right;
}
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