选择元素:现在使用水平规则
使用集合让一切井井有条
根据您的偏好保存内容并对其进行分类。
select 元素在 Chrome 119 中进行了一次小小升级,但功能很强大,一项功能也在
Safari 17 中进行了升级。现在,您可以将
<hr>
(水平规则)元素添加到选择选项列表中,这些元素将显示为分隔符,有助于直观地分解选项,从而提供更好的用户体验。
为此,请将 <hr>
元素添加到选项列表中,如以下 HTML 所示:
<label for="major-select">Please select a major:</label> <br/>
<select name="majors" id="major-select">
<option value="">Select a major</option>
<hr>
<option value="arth">Art History</option>
<option value="finearts">Fine Arts</option>
<option value="gdes">Graphic Design</option>
<option value="lit">Literature</option>
<option value="music">Music</option>
<hr>
<option value="aeroeng">Aerospace Engineering</option>
<option value="biochemeng">Biochemical Engineering</option>
<option value="civileng">Civil Engineering</option>
<option value="compeng">Computer Engineering</option>
<option value="eleng">Electrical Engineering</option>
<option value="mecheng">Mechanical Engineering</option>
</select>
细微的改变可能也会为用户带来改变。如需详细了解表单控件的未来发展情况(包括如何让这些控件完全具有样式化),请了解 Popover API,并留意未来的 selectlist 元素。
如未另行说明,那么本页面中的内容已根据知识共享署名 4.0 许可获得了许可,并且代码示例已根据 Apache 2.0 许可获得了许可。有关详情,请参阅 Google 开发者网站政策。Java 是 Oracle 和/或其关联公司的注册商标。
最后更新时间 (UTC):2023-10-23。
[{
"type": "thumb-down",
"id": "missingTheInformationINeed",
"label":"没有我需要的信息"
},{
"type": "thumb-down",
"id": "tooComplicatedTooManySteps",
"label":"太复杂/步骤太多"
},{
"type": "thumb-down",
"id": "outOfDate",
"label":"内容需要更新"
},{
"type": "thumb-down",
"id": "translationIssue",
"label":"翻译问题"
},{
"type": "thumb-down",
"id": "samplesCodeIssue",
"label":"示例/代码问题"
},{
"type": "thumb-down",
"id": "otherDown",
"label":"其他"
}]
[{
"type": "thumb-up",
"id": "easyToUnderstand",
"label":"易于理解"
},{
"type": "thumb-up",
"id": "solvedMyProblem",
"label":"解决了我的问题"
},{
"type": "thumb-up",
"id": "otherUp",
"label":"其他"
}]
{"lastModified": "\u6700\u540e\u66f4\u65b0\u65f6\u95f4 (UTC)\uff1a2023-10-23\u3002"}
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2023-10-23。"],[],[]]