<脚本>标签必须包含单独的标签？
今天，我在进行一些测试时注意到，关闭
<script src="scripts/jquery.js" type="text/javascript"></script>
但这不起作用：
<script src="scripts/jquery.js" type="text/javascript" />
当我使用 IE 的开发人员工具时，该文件似乎会显示，但似乎它只是被忽略了。有谁见过这种情况或知道为什么会发生这种情况？提前致谢！
I noticed today while doing some testing that the way I close my <script> tag either makes or breaks my page. For example, this works:
<script src="scripts/jquery.js" type="text/javascript"></script>
but this does not:
<script src="scripts/jquery.js" type="text/javascript" />
The file appears to show up when I use IE's Developer Tools, but it seems like it just gets ignored. Has anyone ever seen this or know why it might be happening? Thanks in advance!
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您必须包含结束脚本标记。即使您只包含外部脚本，脚本元素也不会自动关闭。
You must include a closing script tag. The script element is not self closing, even when you're only including an external script.
在所有其他 HTML 文档中（无论声明什么
DOCTYPE），关闭。在这个非常详细的答案中阅读更多内容。
The
<script>tag can only be self-closing in truly valid XHTML documents – that is, a XHTML page served with theContent-Typeofapplication/xhtml+xml– and when viewed in a supporting browser (IE8 does not qualify; IE9+ does).In all other HTML documents, (regardless of what
DOCTYPEis declared), the<script>tag is not self-closing and therefore must be closed with a</script>.Read more in this very detailed answer.
我还注意到您始终需要
。这可能是因为它需要标签之间的内容（“”计数），即使您使用的是src。I have also noticed you always need the
</script>. It's probably because it requires content between the tags ("" counts), even though you're usingsrc.