如果您使用文字处理器，您必须熟悉将文本加粗、斜体或下划线的能力； 这些只是用于指示文本在 HTML 和 XHTML 中的显示方式的十个选项中的三个。
1.黑体字
<b>…</b>元素之间的字体是黑色的。
<!DOCTYPE html>
<html>
<head>
<title>Bold Text Example</title>
</head>
<body>
<p>The following word uses a <b>bold</b> typeface.</p>
</body>
</html>
结果：
The following word uses a bold typeface.
2.斜体字
<i>…</i> 元素之间的内容是斜体字
<!DOCTYPE html>
<html>
<head>
<title>Italic Text Example</title>
</head>
<body>
<p>The following word uses an <i>italicized</i> typeface.</p>
</body>
</html>
结果：
The following word uses an italicized typeface.
3.下划线
<u>…</u> 之间的任何内容都是有下划线的
<!DOCTYPE html>
<html>
<head>
<title>Underlined Text Example</title>
</head>
<body>
<p>The following word uses an <u>underlined</u> typeface.</p>
</body>
</html>
结果：
The following word uses an underlined typeface.
4.等宽字体 （Monospaced Font）
<tt>…</tt> 之间的字体是等宽字体。大多数字体被称为可变宽度字体，因为不同的字母具有不同的宽度（例如，字母“m”比字母“i”宽）。 然而，在等宽字体中，每个字母都具有相同的宽度。
<!DOCTYPE html>
<html>
<head>
<title>Monospaced Font Example</title>
</head>
<body>
<p>The following word uses a <tt>monospaced</tt> typeface.</p>
</body>
</html>
结果：
The following word uses a monospaced typeface.
5.上标文字 （Superscript Text）
<sup>…</sup> 之间的文字是上标文字。使用的字体大小与其周围字符的大小相同，但显示在其他字符上方半个字符的高度。
<!DOCTYPE html>
<html>
<head>
<title>Superscript Text Example</title>
</head>
<body>
<p>The following word uses a <sup>superscript</sup> typeface.</p>
</body>
</html>
结果：
The following word uses a superscript typeface.
HTML 文本格式化元素
| 标签 | 描述 |
|---|---|
| <b> | 定义粗体文本 |
| <em> | 定义着重文字 |
| <i> | 定义斜体字 |
| <small> | 定义小号字 |
| <strong> | 定义加重语气 |
| <sub> | 定义下标字 |
| <sup> | 定义上标字 |
| <ins> | 定义插入字 |
| <del> | 定义删除字 |
HTML “计算机输出” 标签
| 标签 | 描述 |
|---|---|
| <code> | 定义计算机代码 |
| <kbd> | 定义键盘码 |
| <samp> | 定义计算机代码样本 |
| <var> | 定义变量 |
| <pre> | 定义预格式文本 |
HTML 引文, 引用, 及标签定义
| 标签 | 描述 |
|---|---|
| <abbr> | 定义缩写 |
| <address> | 定义地址 |
| <bdo> | 定义文字方向 |
| <blockquote> | 定义长的引用 |
| <q> | 定义短的引用语 |
| <cite> | 定义引用、引证 |
| <dfn> | 定义一个定义项目。 |
更为详尽的HTML 格式化英文表格 （ 查找用，不要求掌握）
Common Tags for Blogs <h?> heading </h?> Heading (h1 for largest to h6 for smallest) <p> paragraph </p> Paragraph of Text <b> bold </b> Make text between tags bold <i> italic </i> Make text between tags italic <a href="url"> link name </a> Create a link to another page or website <div> ... </div> Divide up page content into sections, and applying styles <img src="filename.jpg"> Show an image <ul> <li> list </li> </ul> Unordered, bullet-point list <br> Line Break (force a new line) <span style="color:red"> red </span> Use CSS style to change text colour Text Formatting <h?> ... </h?> Heading (?= 1 for largest to 6 for smallest, eg h1) <b> ... </b> Bold Text <i> ... </i> Italic Text <u> ... </u> Underline Text <strike> ... </strike> Strikeout <sup> ... </sup> Superscript - Smaller text placed below normal text <sub> ... </sub> Subscript - Smaller text placed below normal text <small> ... </small> Small - Fineprint size text <tt> ... </tt> Typewriter Text <pre> ... </pre> Pre-formatted Text <blockquote> ... </blockquote> Text Block Quote <strong> ... </strong> Strong - Shown as Bold in most browsers <em> ... </em> Emphasis - Shown as Italics in most browsers <font> ... </font> Font tag obsolete, use CSS. (*) Section Divisions Help Help | Top Top <div> ... </div> Division or Section of Page Content <span> ... </span> Section of text within other content <p> ... </p> Paragraph of Text <br> Line Break <hr> Basic Horizontal Line <hr> Tag Attributes: size="?" Line Thickness in pixels width="?" Line Width in pixels width="??%" Line Width as a percentage color="#??????" Line Colour (*) align="?" Horizontal Alignment: left, center, right (*) noshade No 3D cut-out <nobr> ... </nobr> Line Break Images <img src="url" alt="text"> Basic Image <img> Tag Attributes: src="url" URL or filename of image (required!) alt="text" Alternate Text (required!) align="?" Image alignment within surrounding text (*) width="??" Image width (in pixels or %) height="??" Image height (in pixels or %) border="??" Border thickness (in pixels) (*) vspace="??" Space above and below image (in pixels) (*) hspace="??" Space on either side of image (in pixels) (*) Linking Tags <a href="url"> link text </a> Basic Link <a> Tag Attributes: href="url" Location (url) of page to link to. name="??" Name of link (name of anchor, or name of bookmark) target="?" Link target location: _self, _blank, _top, _parent. href="url#bookmark" Link to a bookmark (defined with name attribute). href="mailto:email" Link which initiates an email (dependant on user's email client). Lists <ol> ... </ol> Ordered List <ul> ... </ul> Un-ordered List <li> ... </li> List Item (within ordered or unordered) <ol type="?"> Ordered list type: A, a, I, i, 1 <ol start="??"> Ordered list starting value <ul type="?"> Unordered list bullet type: disc, circle, square <li value="??"> List Item Value (changes current and subsequent items) <li type="??"> List Item Type (changes only current item) <dl> ... </dl> Definition List <dt> ... </dt> Term or phrase being defined <dd> ... </dd> Detailed Definition of term Tables <table> ... </table> Define a Table <table> Tag Attributes: border="?" Thickness of outside border bordercolor="#??????" Border Colour cellspacing="?" Space between cells (pixels) cellpadding="?" Space between cell wall and content align="??" Horizontal Alignment: left, center, right (*) bgcolor="#??????" Background Colour (*) width="??" Table Width (pixels or %) (*) height="??" Table Height (pixels or %) (*) <tr> ... </tr> Table Row within table <th> ... </th> Header Cell within table row <td> ... </td> Table Cell within table row <td> Tag Attributes: colspan="?" Number of columns the cell spans across (cell merge) rowspan="?" Number of row a cell spans across (cell merge) width="??" Cell Width (pixels or %) (*) height="??" Cell Height (pixels or %) (*) bgcolor="#??????" Background Colour (*) align="??" Horizontal Alignment: left, center, right (*) valign="??" Vertical Alignment: top, middle, bottom (*) nowrap Force no line breaks in a particular cell Frames <frameset> ... </frameset> Define the set of Frames <frameset> Tag Attributes: rows="??,??, ..." Define row sizes & number of rows (size in pixels or %) cols="??,??, ..." Define column sizes & number of columns (size in pixels or %) noresize="noresize" User cannot resize any frames in frameset <frame> ... </frame> Define a frame within the frameset <frame> Tag Attributes: src="url" Location of HTML File for a frame name="***" Unique name of frame window marginwidth="?" Horizontal margin spacing inside frame (pixels) marginheight="?" Vertical margin spacing inside frame (pixels) noresize="noresize" Declare all frameset sizes as fixed scrolling="***" Can the user scroll inside the frame: yes, no, auto frameborder="?" Frame Border: (1=yes, 2=no) bordercolor="#??????" Border Colour (*) <noframes> ... </noframes> Unframed content (for browsers not supporting frames) Forms <form> ... </form> Form input group decleration <form> Tag Attributes: action="url" URL of Form Script method="***" Method of Form: get, post enctype="***" For File Upload: enctype="multipart/form-data" <input> ... </input> Input field within form <input> Tag Attributes: type="***" Input Field Type: text, password, checkbox, submit etc. name="***" Form Field Name (for form processing script) value="***" Value of Input Field size="***" Field Size maxlength="?" Maximum Length of Input Field Data checked Mark selected field in radio button group or checkbox <select> ... </select> Select options from drop down list <select> Tag Attributes: name="***" Drop Down Combo-Box Name (for form processing script) size="?" Number of selectable options multiple Allow multiple selections <option> ... </option> Option (item) within drop down list <option> Tag Attributes: value="***" Option Value selected Set option as default selected option <textarea> ... </textarea> Large area for text input <textarea> Tag Attributes: name="***" Text Area Name (for form processing script) rows="?" Number of rows of text shown cols="?" Number of columns (characters per rows) wrap="***" Word Wrapping: off, hard, soft Special Characters < < - Less-Than Symbol > > - Greater-Than Symbol & & - Ampersand, or 'and' sign " " - Quotation Mark © © - Copyright Symbol ™ ™ - Trademark Symbol - A space (non-breaking space) &#??; ISO 8859-1 character - replace ?? with the iso code Miscellaneous Tags <!-- ... --> Comment within HTML source code <!DOCTYPE html ... > Document Type Definition (wiki) <meta> ... </meta> META information tag <meta> Tag Attributes: name="***" Meta name: description, keywords, author http-equiv="***" HTTP Equivalent Info: title, etc. content="***" Information content <link> LINK content relationship tag <link> Tag Attributes: rel="***" Type of forward relationship http="url" Location (URL) of object or file being linked type="***" Type of object or file, eg: text/css title="***" Link title (optional) Body Background & Colours <body> Tag Attributes: background="url" Background Image (*) bgcolor="#??????" Background Colour (*) text="#??????" Document Text Colour (*) link="#??????" Link Colour (*) vlink="#??????" Visited Link Colour (*) alink="#??????" Active Link Colour (*) bgproperties="fixed" Background Properties - "Fixed" = non-scrolling watermark (*) leftmargin="?" Side Margin Size in Pixels (Internet Explorer) (*) topmargin="?" Top Margin Size in Pixels (Internet Explorer) (*) (*) Important Note: Tags marked with (*) should still work, but have been superseded by Cascading Style Sheets (CSS), which is now the recommended way to change the font, colour, spacing, border or alignment of HTML elements.
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