higher computing science html
TRANSCRIPT
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HTMLHTML is a computer language used to describe what is to appear on a web page.
HTML stands for Hyper Text Markup Language.
You can view the HTML that makes up any web page by right-clicking on the pages and selecting view source.
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HTMLThis is a sample HTML page
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Head and BodyAn HTML document is split into:head element (not displayed on the web page)body element (displayed on the web page)
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Elements and TagsAn HTML page is made up of elements.Each element has a start tag and an end tag with content in between
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Elements and TagsAn HTML page is made up of elements.Each element has a start tag and an end tag with content in between
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Elements and TagsAn HTML page is made up of elements.Each element has a start tag and an end tag with content in between
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AttributesElements can also contain attributes. These provide additional information about the element.
The <img> tag below uses attributes to provide more information about the image element:src – the source file location and namewidth – the width the image should be displayed atheight – the height the image should be displayed at
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HTMLHeading tag<h1> to <h6><h1> largest heading, <h6> smallestSearch engines will use headings to index the web page
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HTMLParagraph tag<p> defines a new paragraph
Line break tag<br> used to define a line break
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HTMLBold tag<b> defines bold text
Italics tag<i> defines italic text
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HTMLHyperlinksThe world wide web is built around the concept of hyperlinks, an idea conceived by Sir Tim Berners Lee in 1989.Hyperlinks allow the user to navigate from one web page to another.The <a> tag defines a hyperlinkThe href attribute defines the target web page
The content will be shown as a hyperlink
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HTMLExternal hyperlinksAn external hyperlink links to a page on another website
Internal hyperlinksAn internal hyperlink links to a page on the same website
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HTMLImagesThe <img> tag is used to define an imageUse the src attribute to set the image file location and nameUse the width attribute to set the image widthUse the height attribute to set the image heightUse the alt attribute to provide alternate text for an imageThe alt text will be displayed if the image could not be loadedThe alt text can be read by an image reader (accessibility)
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HTMLImages as hyperlinksAn image can be used as a hyperlinkUse the <a> tag with href attribute to set up the linkUse the image element as content
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HTMLTablesTables are made up of rows of table dataThe <table> tag defines the tableThe <tr> tag defines each rowThe <td> tag defines each item of table data within the rowThe <th> tag defines a table headingThere are also attributes for setting borders and spacing
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HTMLTables
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HTMLListsHTML can be either ordered (e.g. numbered items) or unordered (e.g. bulleted items)The <ol> tag defines an ordered listThe <ul> tag defines an unordered listThe <li> tag defines a list itemThe type attribute can be used with an ordered list to define the list marker (e.g. numbers, letters, Roman numerals)The style attribute can be used with an unordered list to define the list marker (e.g. bullets, circles, squares)
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HTMLLists
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HTMLFormsHTML forms can be used to collect user input
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HTMLMetadataMetadata is data that describes other dataMetadata will not be displayed on the pageMetadata can be used to tell search engines about a web pageMetadata can be used to tell browsers how to display contentThe <meta> tag is used to define metadata and should be placed inside the head element