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General Questions 检视 HTML 代码应具备那些知识？
| Document Type | <HTML></HTML> |
(beginning and end of file) |
| Title | <TITLE></TITLE> |
(must be in header) |
| Header | <HEAD></HEAD> |
(descriptive info, such as title) |
| Body | <BODY></BODY> |
(bulk of the page) |
| Heading | <H?></H?> |
(the spec. defines 6 levels) |
| Align Heading | <H? ALIGN=LEFT|CENTER|RIGHT></H?> |
|
| Division | <DIV></DIV> |
|
| Align Division | <DIV ALIGN=LEFT|RIGHT|CENTER|JUSTIFY></DIV> |
|
| Defined Content | <SPAN></SPAN> |
|
| Block Quote | <BLOCKQUOTE></BLOCKQUOTE> |
(usually indented) |
| Emphasis | <EM></EM> |
(usually displayed as italic) |
| Strong Emphasis | <STRONG></STRONG> |
(usually displayed as bold) |
| Citation | <CITE></CITE> |
(usually italics) |
| Code | <CODE></CODE> |
(for source code listings) |
| Variable | <VAR></VAR> |
|
| Definition | <DFN></DFN> |
(not widely implemented) |
| Author’s Address | <ADDRESS></ADDRESS> |
|
| Large Font Size | <BIG></BIG> |
|
| Large Font Size | <SMALL></SMALL> |
|
| Bold | <B></B> |
|
| Italic | <I></I> |
|
| Underline | <U></U> |
(not widely implemented) |
| Strikeout | <STRIKE></STRIKE> |
(not widely implemented) |
| Strikeout | <S></S> |
(not widely implemented) |
| Subscript | <SUB></SUB> |
|
| Superscript | <SUP></SUP> |
|
| Preformatted | <PRE></PRE> |
(display text spacing as-is) |
| Center | <CENTER></CENTER> |
(for both text and images) |
| Font Size | <FONT SIZE=?></FONT> |
(ranges from 1-7) |
| Font Color | <FONT COLOR="#$$$$$$"></FONT> |
|
| Select Font | <FONT FACE="***"></FONT> |
|
| Weight | <FONT WEIGHT=?></FONT> |
|
| Marquee | <MARQUEE></MARQUEE> |
| Link Something | <A HREF="URL"></A> |
|
| Link to Location | <A HREF="URL#***"></A> |
(if in another document) |
<A HREF="#***"></A> |
(if in current document) | |
| Target Window | <A HREF="URL" TARGET="***"></A> |
|
| Link to Email | <A HREF="mailto:@"></A> |
|
| Specify Subject | <A HREF="mailto:@?SUBJECT=***"></A> |
(use a real question mark) |
| Define Location | <A NAME="***"></A> |
|
| Display Image | <IMG SRC="URL"> |
|
| Alignment | <IMG SRC="URL" ALIGN=TOP|BOTTOM|MIDDLE|LEFT|RIGHT> |
|
| Alignment | <IMG SRC="URL" ALIGN=TEXTTOP|ABSMIDDLE|BASELINE|ABSBOTTOM> |
|
| Alternate | <IMG SRC="URL" ALT="***"> |
(if image not displayed) |
| Dimensions | <IMG SRC="URL" WIDTH=? HEIGHT=?> |
(in pixels) |
<IMG SRC="URL" WIDTH=% HEIGHT=%> |
(as percentage of page width/height) | |
| Border | <IMG SRC="URL" BORDER=?> |
(in pixels) |
| Runaround Space | <IMG SRC="URL" HSPACE=? VSPACE=?> |
(in pixels) |
| Imagemap | <IMG SRC="URL" USEMAP="URL"> |
|
| Client-Side Map | <MAP NAME="***"></MAP> |
(describes the map) |
| Map Section | <AREA SHAPE="DEFAULT|RECT|CIRCLE|POLY" COORDS=",,," HREF="URL"|NOHREF> |
|
| Paragraph | <P></P> |
(closing tag often unnecessary) |
| Align Text | <P ALIGN=LEFT|CENTER|RIGHT></P> |
|
| Justify Text | <P ALIGN=JUSTIFY></P> |
|
| Line Break | <BR> |
(a single carriage return) |
| Clear Textwrap | <BR CLEAR=LEFT|RIGHT|ALL> |
|
| Horizontal Rule | <HR> |
|
| Alignment | <HR ALIGN=LEFT|RIGHT|CENTER> |
|
| Thickness | <HR SIZE=?> |
(in pixels) |
| Width | <HR WIDTH=?> |
(in pixels) |
| Width Percent | <HR WIDTH="%"> |
(as a percentage of page width) |
| Unordered List | <UL><LI></UL> |
(<LI> goes before each list item) |
| Compact | <UL COMPACT></UL> |
|
| Bullet Type | <UL TYPE=DISC|CIRCLE|SQUARE> |
(for the whole list) |
| Bullet Type | <LI TYPE=DISC|CIRCLE|SQUARE> |
(this & subsequent) |
| Ordered List | <OL><LI></OL> |
(<LI> goes before each list item) |
| Numbering Type | <OL TYPE=A|a|I|i|1> |
(for the whole list) |
| Numbering Type | <LI TYPE=A|a|I|i|1> |
(this & subsequent) |
| Starting Number | <OL START=?> |
(for the whole list) |
| Starting Number | <LI VALUE=?> |
(this & subsequent) |
| Definition List | <DL><DT><DD></DL> |
(<DT>=term, <DD>=definition) |
| Tiled Bkground | <BODY BACKGROUND="URL"> |
|
| Bkground Color | <BODY BGCOLOR="#$$$$$$"> |
(order is red/green/blue) |
| Text Color | <BODY TEXT="#$$$$$$"> |
|
| Link Color | <BODY LINK="#$$$$$$"> |
|
| Visited Link | <BODY VLINK="#$$$$$$"> |
|
| Active Link | <BODY ALINK="#$$$$$$"> |
| Define Table | <TABLE></TABLE> |
|
| Table Alignment | <TABLE ALIGN=LEFT|RIGHT|CENTER> |
|
| Table Border | <TABLE BORDER></TABLE> |
(either on or off) |
| Table Border | <TABLE BORDER=?></TABLE> |
(you can set the value) |
| Cell Spacing | <TABLE CELLSPACING=?> |
|
| Cell Padding | <TABLE CELLPADDING=?> |
|
| Desired Width | <TABLE WIDTH=?> |
(in pixels) |
| Width Percent | <TABLE WIDTH=%> |
(percentage of page) |
| Table Color | <TABLE BGCOLOR="$$$$$$"></TABLE> |
|
| Table Row | <TR></TR> |
|
| Alignment | <TR ALIGN=LEFT|RIGHT|CENTER|MIDDLE|BOTTOM> |
|
| Table Cell | <TD></TD> |
(must appear within table rows) |
| Alignment | <TD ALIGN=LEFT|RIGHT|CENTER VALIGN=TOP|MIDDLE|BOTTOM> |
|
| No linebreaks | <TD NOWRAP> |
|
| Columns to Span | <TD COLSPAN=?> |
|
| Rows to Span | <TD ROWSPAN=?> |
|
| Desired Width | <TD WIDTH=?> |
(in pixels) |
| Width Percent | <TD WIDTH="%"> |
(percentage of table) |
| Cell Color | <TD BGCOLOR="#$$$$$$"> |
|
| Header Cell | <TH></TH> |
(same as data, except bold centered) |
| Alignment | <TH ALIGN=LEFT|RIGHT|CENTER|MIDDLE|BOTTOM> |
|
| No Linebreaks | <TH NOWRAP> |
|
| Columns to Span | <TH COLSPAN=?> |
|
| Rows to Span | <TH ROWSPAN=?> |
|
| Desired Width | <TH WIDTH=?> |
(in pixels) |
| Width Percent | <TH WIDTH="%"> |
(percentage of table) |
| Cell Color | <TH BGCOLOR="#$$$$$$"> |
|
| Table Body | <TBODY> |
|
| Columns Spanned | <COL SPAN=?></COL> |
|
| Column Width | <COL WIDTH=?></COL> |
|
| Width Percent | <COL WIDTH="%"></COL> |
|
