Perfect Computer Notes

Colspan and Rowspan are two important attributes of TD and TH tags used in HTML tables. Colspan Colspan is an attribute of TD or TH tags used to make data cells and header cells in an HTML table. We can use Colspan to expand / span a cell on many columns. For example, in the following table, the first header cell spans two columns, so here we use <th colspan="2">Marks</th> to get the required result in the displayed html table. Marks Maths Computer 100 87 The complete HTML coding is as follows: <table border="1"> <tr> <th colspan="2">Marks</th> </tr> <tr> <th>Maths</th><th>Computer</th></tr> <tr> <td>100</td><td>87</td> </tr> </table> Rowspan Rowspan attribute is used to expand or span a cell to multiple rows. For example, in the following table example, the first TH cell (Marks) spans on two rows. We use <th row

Tables Tables are very important to show data in the form of rows and columns. Tables make data more readable and easy to understand. A table consists of rows, columns and cells. HTML Tags To Make A Table As we know that there are basically three elements in a table, that is, rows, columns and cells. So, there are the following basic tags to create a table in an HTML web page: <TABLE> tag <TR> tag <TD> tag <TH> tag   <TABLE> Tag <Table> tag is used to specify the start of a table. It also specifies some attributes of the table like ALIGN and BORDER attributes etc. Example 1: <Table>                    => Table without a border. Example 2: <Table border="1">     => Table with a border of width 1. Example 3: <Table align="left" border="2">  => A left aligned Table with a border of width 2. <TR> Tag TR stands for TABLE ROW. As the name shows, <TR> tag is used to create a ro

There are many Text formatting tags available in HTML. You can format your text as: Bold Text Italic Text Underline Text Superscript Text Subscript Text Let us discuss these formatting tags one by one with example html source code and the output in web browser. 1. Bold Text <b> tag is used for formatting the text as bold text. You place the text within <b> and </b> tags to make it bold. 2. Italic Text <i> tag is used for formatting the text as italic text. You place the text within <i> and </i> tags to make it italic. 3. Underline Text <u> tag is used for formatting the text as underline text. You place the text within <u> and </u> tags to make it underline. 4. Superscript Text <sup> tag is used for formatting the text as superscript text. You place the text within ^and tags to make it superscript. 5. Subscript Text <sub> tag is used for formatting the text as bold text. You p

HTML Hedings Headings in HTML are used to display Titles, Sub-Titles of Sub-Sub-Titles for your web page text. There are six types of headings in HTML. H1 is the largest heading and H6 is the smallest heading. <H1> is opening tag whereas </H1> is the closing tag for the largest heading. The text between <h1> and </h1> will be displayed as the main Title in your web page. Following are the six tags used for six types of headings in HTML. <H1> ... </H1> <H2> ... </H2> <H3> ... </H3> <H4> ... </H4> <H5> ... </H5> <H6> ... </H6> The H1 heading is used for main titles. Actually H1 heading will show the text in largest font size. H2 headings is used for Sub-Titles. H2 displays text in smaller font size than H1, H3 displays text of font size smaller than H1 and H2, and so on. H1 is for largest heading in a text page and H6 is for smallest heading.   Importance Of Headings in SEO Headi

Today, we will discuss the topic Create Your First  Web Page in HTML. As we know a website is a set interlinked related web pages. Therefore, to design and develop a website, we need to know creating web pages. HTML stands for Hyper Text Markup Language . HTML is the basic language used to create web pages. Let's start our tutorial with suitable pictures Create Your First  Web Page in HTML. Now we will create a simple web page to display some text like "Welcome to Web Page Development!" and with a title "My First Web Page". 1. Type HTML Code in Note Pad Open Note pad and type the following HTML code. <HTML> <HEAD> <TITLE>My First Web Page</TITLE>       </HEAD> <BODY> Welcome To Web Page Development! </BODY> </HTML> Picture: Create Your First  Web Page in HTML in 5 minutes Picture: Create Your First  Web Page in HTML Easily 2. Save HTML Document with HTML extension Sav

Basic Structure of HTML Document  The basic structure of an HTML document is given below: <HTML>         <HEAD>                  </HEAD>                 <BODY>                </BODY> </HTML> The above format shows that an HTML document starts with <HTML> tag and ends with </HTML> tag. It is also clear that an HTML document consists of two main sections:  Head Section Head section is used to specify a title of the web page, normally. There are some other uses of Head section too, like linking external style sheets and Java script code, etc. Head section starts with the <HEAD> tag and ends with the </HEAD> tag. <TITLE> tag is used to display a title of the web page on title bar of the web browser. Body Section Body section contains all the text and tags. It is used to specify the actual content of the web page. Body section starts with <BODY> tag and ends with </BODY> tag.

If you want to create a web page using HTML - Hyper Text Markup Language, you will need the following two software: Text Editor : It is used to write HTML tags according to the requirements of the web page. Windows Notepad is a suitable candidate for this purpose. You have to save the HTML document with html or htm extension. For example, type the name of your web page document as "first.html". Web Browser : Web Browser is a software used to view web pages. Examples of a web browser are Internet Explorer, Mozilla Firefox and Google Chrome. Microsoft Windows users can view and test their web pages, in Internet Explorer.  I will discuss the Basic Structure of an HTML Document, in my next post.