HTML 表单属性用于指定元素可以包含一个或多个表单。此属性可用于以下元素，例如： HTML | 表单属性 HTML | 表单属性 HTML | 表单属性 HTML | 表单属性 HTML | 表单属性 HTML | 表单属性 HTML | 表单属性 HTML | 表单属性 HTML | 表单属性</li> </ul> <p><strong>句法：</strong> </p> <div class="hcb_wrap"> <pre class="prism line-numbers lang-html" data-lang="HTML"><code class="replace"><element form="form_id"> </code></pre> </div> <p><strong>属性值：</strong>它包含单个值<strong>form_id</strong> ，其中包含指定一个或多个按钮元素所属的值即form_id。这个属性的值应该是 <form> 元素的 id。</p> <p><strong>例子：</strong> </p> <div class="hcb_wrap"> <pre class="prism line-numbers lang-html" data-lang="HTML"><code class="replace"><!DOCTYPE html> <html> <head> <title> HTML button form Attribute </title> </head> <body style="text-align:center"> <h1 style="color:green;"> GeeksforGeeks </h1> <h2> HTML <button> form Attribute </h2> <form id="myGeeks"></form> <button id="btn" name="myGeeks" form="myGeeks" onclick="geek()"> Click me! </button> </body> </html> </code></pre> </div> <p><strong>输出：</strong> <br/><img alt="" class="img-fluid" height="215" loading="lazy" src="https://mangodoc.oss-cn-beijing.aliyuncs.com/geek8geeks/HTML_%7C_form_Attribute_0.jpg" width="459"/></p> <p><strong>支持的浏览器：</strong> <strong>HTML表单属性</strong>支持的浏览器如下：</p> <ul> <li>谷歌浏览器</li> <li>浏览器 10.0 +</li> <li>火狐</li> <li>歌剧</li> <li>苹果浏览器</li> </ul> <div class="_ap_apex_ad" id="82d2079a-8120-480f-9fc7-5cda825d56e7" style="min-height:280px"></div> <p></p></div> </article> </div> </div> </div> </div> </div> <footer> <div class="bg-white text-center pb-1"> <p class="text-body-tertiary pt-3 lh-lg text-opacity-50" id="footer-text">Copyright © 2020 - 2024 版权所有 <br> <a href="https://beian.miit.gov.cn/" target="_blank" class="text-opacity-50 text-body-tertiary mt-1 mb-1">蜀ICP备20006366号-1</a> <br> Made with ❤️ in Chengdu </p> </div> </footer> <!-- 引入Bootstrap JavaScript库 --> <script src="https://unpkg.com/bootstrap@5.3.0-alpha1/dist/js/bootstrap.bundle.min.js" crossorigin="anonymous"></script> <!-- 引入Meilisearch搜索相关的JavaScript库 --> <script src="https://cdn.jsdelivr.net/npm/@meilisearch/instant-meilisearch/dist/instant-meilisearch.umd.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/instantsearch.js@4"></script> <script src="https://imangodoc.com/static/javascript/meili_custom.js"></script> <!-- 引入prismjs代码高亮相关的JavaScript库 --> <script src="https://cdn.jsdelivr.net/npm/prismjs@1.29.0/components/prism-core.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/prismjs@1.29.0/plugins/toolbar/prism-toolbar.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/prismjs@1.29.0/plugins/autoloader/prism-autoloader.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/prismjs@1.29.0/plugins/copy-to-clipboard/prism-copy-to-clipboard.min.js"></script> </body> </html>