嵌套表单在HTML5中是否有效？ [英] Are nested forms valid in HTML5?
问题描述
嵌套表单可接受？
我无法在 HTML5 doc ，它讨论嵌套的表单。我确定它在某个页面上列出（可能是更新日志），但如果不是这样，我应该假设不提及是否可以接受？
另外， HTML4文档没有提到它。
上一次提到
表单不能包含其他表单元素。 HTML 3.0
单个文档中可以有多种形式，但FORM元素不能嵌套。
解决方案HTML5文档在上面链接的部分：
内容模型
流内容，但没有表单元素后代。
内容模型的意思是这个元素可能包含什么。因此，不允许嵌套表单。
Nested Forms Acceptable?
I can't find anything in the HTML5 doc that talks about nested forms. I'm sure it's listed on some page, somewhere (perhaps a changelog), but if not, should I assume that no-mention is the same as acceptable?
Additionally, the HTML4 doc doesn't mention it. Perhaps it's been permitted all along and I was adhering to old standards.
Previous Mentions
form must not contain other form elements.
There can be several forms in a single document, but the FORM element can't be nested.
解决方案The HTML5 document does mention it in the section you link above:
Content model
Flow content, but with no form element descendants.
"Content model" means "what this element may contain". So no, nested forms are not allowed.
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