Html tutorial

2
Definitions
 WWW -- a software infrastructure layered on top of
the Internet
 HTTP -- HyperText Transport Protocol, layered on
top of TCP
 HTTPS -- secure HTTP using encryption
 HTML -- HyperText Markup Language, version
4.01 is current

3
HTML Page Format
<HTML>
<HEAD>
<TITLE> Qi’s web! </TITLE>
</HEAD>
<BODY>
<H1> Hello World </H1>
<! Rest of page goes here. This is a comment. >
</BODY>
</HTML>

4
BODY Element
<BODY attributename="attributevalue">
 Deprecated attributes (but still used)
 BACKGROUND=“Sunset.jpg” (can be tiled)
 BGCOLOR=color
 TEXT=color
 LINK=color (unvisited links)
 VLINK=color (visited links)
 ALINK=color (when selected)

5
Headings
<H1 ...> text </H1> -- largest of the six
<H2 ...> text </H2>
<H3 ...> text </H3>
<H4 ...> text </H4>
<H5 ...> text </H5>
<H6 ...> text </H6> -- smallest of the six
ALIGN="position" --left (default), center or right

6
Headings
<HTML>
<HEAD>
<TITLE>Document Headings</TITLE>
</HEAD>
<BODY>
Samples of the six heading types:
<H1>Level-1 (H1)</H1>
<H2 ALIGN="center">Level-2 (H2)</H2>
<H3><U>Level-3 (H3)</U></H3>
<H4 ALIGN="right">Level-4 (H4)</H4>
<H5>Level-5 (H5)</H5>
<H6>Level-6 (H6)</H6>
</BODY>
</HTML>

7
<P> Paragraph
 <P> defines a paragraph
 Add ALIGN="position" (left, center, right)
 Multiple <P>'s do not create blank lines
 Use <BR> for blank line
 Fully-specified text uses <P> and </P>
 But </P> is optional

8
<BODY>
<P>Here is some text </P>
<P ALIGN="center"> Centered text </P>
<P><P><P>
<P ALIGN="right"> Right-justified text
<! Note: no closing /P tag is not a problem>
</BODY>

9
<PRE> Preformatted Text
<PRE>
if (a < b) {
a++;
b = c * d;
}
else {
a--;
b = (b-1)/2;
}
</PRE>

10
Special Characters
Character Use
< <
> >
& &
" "
Space  

11
Colors
 Values for BGCOLOR and COLOR
 many are predefined (red, blue, green, ...)
 all colors can be specified as a six character
hexadecimal value: RRGGBB
 FF0000 – red
 888888 – gray
 004400 – dark green
 FFFF00 – yellow

12
Fonts
<FONT COLOR="red" SIZE="2" FACE="Times Roman">
This is the text of line one </FONT>
<FONT COLOR="green" SIZE="4" FACE="Arial">
Line two contains this text </FONT>
<FONT COLOR="blue" SIZE="6" FACE="Courier"
The third line has this additional text </FONT>
Note: <FONT> is now deprecated in favor of CSS.

13
Ordered (Numbered) Lists
<OL TYPE="1">
<LI> Item one </LI>
<LI> Item two </LI>
<OL TYPE="I" >
<LI> Sublist item one </LI>
<LI> Sublist item two </LI>
<OL TYPE="i">
<LI> Sub-sublist item one </LI>
<LI> Sub-sublist item two </LI>
</OL>
</OL>
</OL>

14
Unordered (Bulleted) Lists
<UL TYPE="disc">
<LI> One </LI>
<LI> Two </LI>
<UL TYPE="circle">
<LI> Three </LI>
<LI> Four </LI>
<UL TYPE="square">
<LI> Five </LI>
<LI> Six </LI>
</UL>
</UL>
</UL>

15
Physical Character Styles
<H1>Physical Character Styles</H1>
<B>Bold</B><BR>
<I>Italic</I><BR>
<TT>Teletype (Monospaced)</TT><BR>
<U>Underlined</U><BR>
Subscripts: f<SUB>0</SUB> + f<SUB>1</SUB><BR>
Superscripts: x<SUP>2</SUP> + y<SUP>2</SUP><BR>
<SMALL>Smaller</SMALL><BR>
<BIG>Bigger</BIG><BR>
<STRIKE>Strike Through</STRIKE><BR>
<B><I>Bold Italic</I></B><BR>
<BIG><TT>Big Monospaced</TT></BIG><BR>
<SMALL><I>Small Italic</I></SMALL><BR>
<FONT COLOR="GRAY">Gray</FONT><BR>
<DEL>Delete</DEL><BR>
<INS>Insert</INS><BR>

16
Logical
Character
Styles
<H1>Logical Character Styles</H1>
<EM>Emphasized</EM><BR>
<STRONG>Strongly Emphasized</STRONG><BR>
<CODE>Code</CODE><BR>
<SAMP>Sample Output</SAMP><BR>
<KBD>Keyboard Text</KBD><BR>
<DFN>Definition</DFN><BR>
<VAR>Variable</VAR><BR>
<CITE>Citation</CITE><BR>
<EM><CODE>Emphasized Code</CODE></EM><BR>
<FONT COLOR="GRAY"><CITE>Gray Citation</CITE></FONT><BR>
<ACRONYM TITLE="Java Development Kit">JDK Acronym</ACRONYM

17
<A> Anchors (HyperLinks)
Link to an absolute URL:
If you get spam, contact <A HREF="htttp:www.microsoft.com">
Microsoft </A> to report the problem.
Link to a relative URL:
See these <A HREF="#references"> references </A>
concerning our fine products.
Link to a section within a URL:
Amazon provided a <A HREF="www.amazon.com/#reference">
reference for our company. </A>

18
Naming a Section
<H2> <A NAME="#references"> Our References </A> </H2>
Example

19
Hyperlinks
<BODY>
<H3>Welcome to <A HREF="http://www.cs.virginia.edu">
<STRONG>Computer Science</STRONG></A>
at the <A HREF="www.virginia.edu">University of Virginia.</A>
</H3>
</BODY>

20
Images
 SRC is required
 WIDTH, HEIGHT may be in units of pixels or
percentage of page or frame
 WIDTH="357"
 HEIGHT="50%"
 Images scale to fit the space allowed

21
Align=position Image/Text Placement
Left Image on left edge; text flows to right of image
Right Image on right edge; text flows to left
Top Image is left; words align with top of image
Bottom Image is left; words align with bottom of image
Middle Words align with middle of image
Images

22
Images
<BODY>
<img src="dolphin.jpg" align="left" width="150" height="150" alt="dolphin
jump!">
This is a very cute dolphin on the left!<br>
You can see text wrap around it<br>
</BODY>
</HTML>

26
Tables
<TABLE> table tag
<CAPTION> optional table title
<TR> table row
<TH> table column header
<TD> table data element

27
Tables
<TABLE BORDER=1>
<CAPTION>Table Caption</CAPTION>
<TR><TH>Heading1</TH> <TH>Heading2</TH></TR>
<TR><TD>Row1 Col1 Data</TD><TD>Row1 Col2 Data</TD></TR>
</TABLE>

28
<TABLE> Element Attributes
 ALIGN=position -- left, center, right for table
 BORDER=number -- width in pixels of border (including any
cell spacing, default 0)
 CELLSPACING=number -- spacing in pixels between cells,
default about 3
 CELLPADDING=number -- space in pixels between cell
border and table element, default about 1
 WIDTH=number[%]-- width in pixels or percentage of
page/frame width

29
 cellspacing=10
 cellpadding=10

30
<TABLE> Element Attributes
BGCOLOR=color -- background color of table, also valid
for <TR>, <TH>, and <TD>
RULES=value -- which internal lines are shown; values are
none, rows, cols, and all (default)
EX: <TABLE COLS=“40%, *,*”>
<TABLE ROWS=“*,*”>

31
<TR> Table Row Attributes
Valid for the table row:
ALIGN -- left, center, right
VALIGN -- top, middle, bottom
BGCOLOR -- background color
<TABLE ALIGN="center" WIDTH="300" HEIGHT="200">
<TR ALIGN="left" VALIGN="top" BGCOLOR="red"><TD>One</TD><TD>Two</TD>
<TR ALIGN="center" VALIGN="middle" BGCOLOR="lightblue"><TD>Three</TD><TD>Four</TD>
<TR ALIGN="right" VALIGN="bottom" BGCOLOR="yellow"><TD>Five</TD><TD>Six</TD>
</TABLE>

32
<TD> Table Cell Attributes
Valid for the table cell:
colspan -- how many columns this cell occupies
rowspan – how many rows this cell occupies
<TABLE ALIGN="center" WIDTH="300" HEIGHT="200" border="1">
<TR>
<TD colspan="1" rowspan="2">a</TD>
<TD colspan="1" rowspan="1">b</TD>
</TR>
<TR>
<TD colspan="1" rowspan="1">c</TD>
</TR>
</TABLE>

33
Frames
 Frames help control navigation and display
 <FRAME> attributes include
 FRAMEBORDER – yes or 1 for borders
 FRAMESPACING – width of border
 BORDERCOLOR – color
 SRC – location of HTML to display in frame
 NAME – destination for TARGET attribute

34
Frames
 MARGINWIDTH – left/right margins
 MARGINHEIGHT – top/bottom margins
 SCROLLING – yes or 1 adds scroll bar
 NORESIZE – yes or 1 disables resizing

35
Frames
<FRAMESET ROWS="75%,25%">
<FRAMESET COLS="*,*,*">
<FRAME SRC="http://www.virginia.edu">
</FRAMESET>
<FRAMESET COLS="*,*">
</FRAMESET>
</FRAMESET>

36
Frames
<FRAMESET ROWS="25%,75%"
<FRAMESET COLS="*,*,*">
</FRAMESET>
<FRAMESET COLS="*,*">
</FRAMESET>
</FRAMESET>

37
Frames
<FRAMESET ROWS="*,*">
<FRAMESET COLS="15%, 2*, *">
<FRAME SRC="http://www.cs.virginia.edu/">
</FRAMESET>
<FRAMESET COLS="40%, *">
</FRAMESET>
</FRAMESET>

38
Cascading Style Sheets
 A powerful way to specify styles and formatting
across all documents in a web site
 Style sheets can be specified inline or as a
separate document
 Helps to keep a common look and feel

39
CSS
 General form:
selector {property: value} or
selector {property1: value1;
property2: value2;
...
propertyn: valuen }

40
CSS
H1 {text-align: center;
color: blue;
font: Arial, Times New Roman}
P {text-align: left;
color: red;
font-family: Tahoma, Arial Narrow;
font-style: italics}

41
Fizzics1 (no style sheet)
<HTML>
<HEAD>
<TITLE>New Advances in Physics</TITLE>
</HEAD>
<BODY>
<H1>New Advances in Physics</H1>
<H2>Turning Gold into Lead</H2>
In a startling breakthrough, scientist B.O. "Gus" Fizzics
has invented a <STRONG>practical</STRONG> technique for
transmutation! For more details, please see
<A HREF="give-us-your-gold.html">our transmutation thesis</A>.
...
</BODY>
</HTML>
From: Core Web Programming, Marty Hall and Larry Brown, © 2002

Drop Down Menu
42
<!DOCTYPE html>
<html>
<body>
<select>
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="opel">Opel</option>
<option value="audi">Audi</option>
</select>
</body>
</html>

Clickable Drop Down Menu
43
<!DOCTYPE html>
<html>
<head>
<style>
.dropbtn {
background-color: #4CAF50;
color: white;
padding: 16px;
font-size: 16px;
border: none;
cursor: pointer;
}
.dropbtn:hover, .dropbtn:focus {
background-color: #3e8e41;
}

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