看来Firefox把它当做错误对待 这是什么意思?
""https://i.sstatic.net/rTozL.png" alt="此处输入图像描述"/ >
火药正常处理 如果我把它改成:
<!DOCTYPE html>
<html>
BTW Im on Firefox 12.0
如果你在红线上徘徊 法尔福克斯会给你答案
几乎标准模式 doctype 。 期待
“ <! DOCTYPE html> ”
查看源的标记也提示它的错误 doctype
<span class="error doctype" title="Almost standards mode doctype. Expected “<!DOCTYPE html>”.">
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
</span>
要点是, Firefox 想要
更新 :
摘自上述给定链接。
The DOCTYPE shown in the example,
<!DOCTYPE html>, is the simplest possible, and the one recommended by HTML5. Earlier versions of the HTML standard recommended other variants, but all existing browsers today will use full standards mode for this DOCTYPE, even the dated Internet Explorer 6. There are no valid reasons to use a more complicated DOCTYPE. If you do use another DOCTYPE, you may risk choosing one, which triggers almost standards mode or quirks mode.
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