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It is impossible, and unnecessary, to know the motivation for using " in element content, but possible motives include: misunderstanding of HTML rules; use of software that generates such code (probably because its author thought it was "safer"); and misunderstanding of the meaning of ": many people seem to think it produces "smart quotes" (they apparently never looked at the ...
HTML提供了5种空格实体（space entity），它们拥有不同的宽度，非断行空格（ ）是常规空格的宽度，可运行于所有主流浏览器。其他几种空格（      ‌‍）在不同浏览器中宽度各异。
Introduction. This part of the Web Standards Curriculum looks at the different codes that can be used to represent text characters when there is a need to escape them. There are a number of HTML entities that come in handy when there's a need for first-rate typesetting. Many of those listed in Table 1 are useful only when used in foreign language copy (and copy written in specific dialects ...
& ampersand & < less than sign < > greater than sign > " the double quote sign " Appendix II lists a broad range of characters and symbols, relating their ISO names to the corresponding character codes in common character sets. They allow authors to include accented characters in 7-bit ASCII documents. Some other useful entity ...
HTML转义字符串用于显示特殊符号如<、>、&，避免与HTML标签冲突。转义字符串由&、实体名或编号、分号组成，如<表示<。实体名易记但兼容性差，编号兼容性好但难记。正确使用转义可防止解析错误，确保网页显示正确。
在处理HTML文档时，经常需要处理字符引用。其中，" 是一个常见的字符引用，它代表双引号字符（”）。在正则表达式中，我们可以使用特定的模式来匹配这种字符引用。以下是对 " 正则表达式的详细解释和使用方法。 什么是 " ？
' - ' 通过正确使用上述转义代表，我们可以在HTML页面中正确显示大于号、小于号、空格和引号等特殊字符，保证页面的正确解析和布局。 上一篇： html在消息按钮上增加数量角标的实现代码
No. 文字表記 10進表記 16進表記 文字 Comment; 001 " " """" quotation mark = APL quote: 002 & & &"&" ampersand: 003 < <
命と引き換えと思ってたら…今月19日、ベトナム・ドンナイ省のコンビニに強盗が入り、金を要求されたオーナー店長が素直に従うも命まで奪われた "理不尽すぎる" 強盗殺人事件。「金を出せば命は助かる」という一般常識と強盗心理の差異を感じる一件。※