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HTML Lesson 5

HTML Lesson 5. TBE 540. Prerequisites. The user must be able to… Create basic web pages with a text editor and/or a web page editor. Objectives. After completing all activities related to this lesson, the learner will be able to… Describe the use of relative addressing.

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HTML Lesson 5

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  1. HTML Lesson 5 TBE 540

  2. Prerequisites • The user must be able to… • Create basic web pages with a text editor and/or a web page editor.

  3. Objectives • After completing all activities related to this lesson, the learner will be able to… • Describe the use of relative addressing. • Insert a table in a web page. • Format the table and fill it with information. • Create a frameset document and accompanying pages. • List advantages and disadvantages of tables and frames.

  4. Relative Addressing • Though putting all web site files in the same folder is the simplest method, it is more common to organize the file into folders. • For example, all graphics (especially those common to several pages) might be placed in a folder called IMAGES

  5. Relative Addressing • Relative addressing means that you will specify a “path” when you specify file names. • Here are two IMG tags that show graphic files in a location other than the folder that contains the page: <IMG SRC=“IMAGES/cow.gif”> <IMG SRC=“../IMAGES/cow.gif”>

  6. Relative Addressing • <IMG SRC=“IMAGES/cow.gif”> means that there is a folder called IMAGES inside the folder where the page is. The image cow.gif will be there. • <IMG SRC=“../IMAGES/cow.gif”> means to “go up one level” (../) then look for a folder called IMAGES. The image cow.gif will be there.

  7. Relative Addressing • Here is a sample site organization: MySite home.htm IMAGES cow.gif sheep.gif animals back.gif farm.htm arrow.gif

  8. Relative Addressing • To put back.gif into home.htm, the IMG tag in home.htm would be: <IMG SRC=“IMAGES/back.gif”> • To put back.gif into farm.htm, the IMG tag in farm.htm would be: <IMG SRC=“../IMAGES/back.gif”>

  9. Tables • A web page table is very much like a table in word processing or a spreadsheet. • It has rows, columns and cells.

  10. Tables • When tables are created, most web editors will ask for the number of rows and columns. • You can change these settings later. • You may also want to set the border (0 = “invisible”, 3 or more gives a 3-D effect).

  11. Tables • Tables are often used to line up text and/or graphics. • These tables often have a border of 0. border=1 border=0

  12. Tables • Most commercial web pages use tables to arrange graphics and text exactly as the designer planned it. • Many pages use tables within tables (a larger table with smaller tables inside its cells).

  13. Tables (CSUDH Homepage) Click to see the tables

  14. Tables (CSUDH Homepage)

  15. Frames • In web pages, frames are areas into which whole web pages can be loaded. • Though frames are not commonly used (most sites use tables instead), Blackboard is a good example of the use of frames. • Click to see examples of Blackboard frames.

  16. Frames - Blackboard stays here all the time changes when you click the buttons stays while you are in a class area

  17. Frames • The Blackboard page you just looked at is made from four web page documents. • Each of the three frames is a separate web page file. • There is a FRAMESET document (also a web page file) that sets up the frames.

  18. Frames • A FRAMESET document uses <FRAMESET> and </FRAMESET> instead of <BODY> and </BODY>. • The type of frames (rows or columns) must be specified, and each frame must be described with a <FRAME> tag like this: <FRAME SRC =”content1.htm" border="0" NORESIZE >

  19. Here is the FRAMESET code for the example --> <HTML> <HEAD></HEAD> <FRAMESET COLS=“100,*”> <FRAME SRC=“left.htm”> <FRAME SRC=“right.htm”> </FRAMESET> </HTML> FRAMESET Sample WELCOME! • Links • One • Two • Three Join us..etc. left.htm right.htm

  20. <HTML> <HEAD></HEAD> <FRAMESET COLS=“100,*”> <FRAME SRC=“left.htm”> <FRAME SRC=“right.htm”> </FRAMESET> </HTML> Two “column” frames - the first (left) is 100 pixels wide. The right frame takes up whatever space is left over (*) on the screen. left.htm is the web page file for the left frame. right.htm fills the right frame. FRAMESET Sample

  21. Try this! • For more information on frames and tables, see the links from the class page: http://www.csudh.edu/fisher/tbe540/540html.htm • Try the hands-on exercise to experiment with tables.

  22. Self Check HTML Lesson 5 • You are working on a web page in the HOME folder, and you want to include a picture called me.jpg that is stored in the PIX folder (inside the HOME folder). Which is the correct pathname? <IMG SRC=“../PIX/me.jpg”> <IMG SRC=“PIX/me.jpg”> <IMG SRC=“IMAGES/me.jpg”>

  23. Self Check HTML Lesson 5 • You are working on a web page in the HOME folder, and you want to include a picture called me.jpg that is stored in the PIX folder (inside the HOME folder). Which is the correct pathname? <IMG SRC=“../PIX/me.jpg”> <IMG SRC=“PIX/me.jpg”> <IMG SRC=“IMAGES/me.jpg”>

  24. Self Check HTML Lesson 5 • What is the format of the table below? 3 rows, 2 columns, border=2 2 rows, 3 columns, border=0 2 rows, 3 columns, border=2

  25. Self Check HTML Lesson 5 • What is the format of the table below? 3 rows, 2 columns, border=2 2 rows, 3 columns, border=0 2 rows, 3 columns, border=2

  26. Self Check HTML Lesson 5 • Does the display below show the use of tables or frames? How can you tell? LEFT SIDE RIGHT SIDE 1 2 3 4 5

  27. Self Check HTML Lesson 5 • Does the display below show the use of tables or frames? How can you tell? Right side moves, but left side stays as is. LEFT SIDE RIGHT SIDE 1 2 3 4 5

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