是否可以有在<脚本>里面？
HTML 页面中的 script> 标记内是否可以有
我收到错误消息 A DOCTYPE is not allowed in content 。
有人可以告诉我我是否应该因此而收到任何此类错误吗？
Is it possible to have <DOCTYPE> definition inside <script> tag in an HTML page?
I get an error that A DOCTYPE is not allowed in content .
Could someone tell me if I should be getting any such error for that?
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您的文档类型应该位于文档的顶部。为什么要把它放在其他地方？
Your doctype should be at the top of your document. Why do you want to put it anywhere else?
你这样做的方式（使用
< ;script type="text/plain">（您的文档）]]>The way you're doing it (with
<script type="text/plain">) is fairly dangerous, but whatever you want to accomplish there can be fixed with CDATA:<script type="text/plain"><![CDATA[(Your document)]]></script>请记住 doctype 是浏览器指令，而不是实际的 html。因此，将它放在顶部以外的任何地方有点奇怪，但更重要的是它不会做任何事情。
Keep in mind doctype is a browser instruction, not actual html. Therefore having it anywhere but the top is a bit odd, but more importantly it won't do anything.
您的问题迫使我假设您更好地理解文档类型是什么，此链接可能会有所帮助：http: //www.w3.org/QA/Tips/Doctype
Your question forces me to assume that you better understanding of what a doctype is, this link might help: http://www.w3.org/QA/Tips/Doctype