The HTML DOM document object is the owner of all other objects in your web page. The HTML DOM Document Object The document object represents your web page. If you want to access any element in an HTML page, you always start with accessing the document object. Below are some examples of how you can […]
HTML DOM methods are actions you can perform (on HTML Elements). HTML DOM properties are values (of HTML Elements) that you can set or change. The DOM Programming Interface The HTML DOM can be accessed with JavaScript (and with other programming languages). In the DOM, all HTML elements are defined as objects. The programming interface is the properties and methods of […]
With the HTML DOM, JavaScript can access and change all the elements of an HTML document. The HTML DOM (Document Object Model) When a web page is loaded, the browser creates a Document Object Model of the page. The HTML DOM model is constructed as a tree of Objects: The HTML DOM Tree of Objects With the object model, JavaScript gets […]
The easiest way to play videos in HTML, is to use YouTube. Struggling with Video Formats? Earlier in this tutorial, you have seen that you might have to convert your videos to different formats to make them play in all browsers. Converting videos to different formats can be difficult and time-consuming. An easier solution is […]
Multimedia on the web is sound, music, videos, movies, and animations. What is Multimedia? Multimedia comes in many different formats. It can be almost anything you can hear or see. Examples: Images, music, sound, videos, records, films, animations, and more. Web pages often contain multimedia elements of different types and formats. In this chapter you will learn […]
Google Maps allows you to display maps on your web page: A Basic Web Page To demonstrate how to add a Google Map to a web page, we will use a basic HTML page: Example <!DOCTYPE html> <html> <body><h1>My First Google Map</h1><div id=”map”>My map will go here</div></body> <html> Try it Yourself » Set the Map Size Set […]
Migration from HTML4 to HTML5 This chapter is entirely about how to migrate from HTML4 to HTML5. This chapter demonstrates how to convert an HTML4 page into an HTML5 page, without destroying anything of the original content or structure. You can migrate from XHTML to HTML5, using the same recipe. Typical HTML4 Typical HTML5 <div id=”header”> <header> <div id=”menu”> […]
What is New in HTML5? The DOCTYPE declaration for HTML5 is very simple: <!DOCTYPE html> The character encoding (charset) declaration is also very simple: <meta charset=”UTF-8″> HTML5 Example: <!DOCTYPE html> <html> <head> <meta charset=”UTF-8″> <title>Title of the document</title> </head><body> Content of the document…… </body></html> Try it Yourself » The default character encoding in HTML5 is UTF-8. New HTML5 Elements […]
Not Supported in HTML5 Example An acronym is marked up as follows: Can I get this <acronym title=”as soon as possible”>ASAP</acronym>? Try it Yourself » Definition and Usage The <acronym> tag is not supported in HTML5. Use the <abbr> tag instead. The <acronym> tag defines an acronym. An acronym must spell out another word. For example: NASA, ASAP, GUI. […]
Section Object The Section Object is new in HTML5. The Section object represents an HTML <section> element. Note: The <section> element is not supported in Internet Explorer 8 and earlier versions. Access a Section Object You can access a <section> element by using getElementById(): Example var x = document.getElementById(“mySection”); Try it Yourself » Create a Section Object […]
HTML <select> autofocus Attribute A drop-down list with autofocus: <select autofocus> <option value=”volvo”>Volvo</option> <option value=”saab”>Saab</option> <option value=”opel”>Opel</option> <option value=”audi”>Audi</option> </select> Try it Yourself » Definition and Usage The autofocus attribute is a boolean attribute. When present, it specifies that the drop-down list should automatically get focus when the page loads. HTML <select> disabled Attribute A disabled drop-down list: <select disabled> <option value=”volvo”>Volvo</option> <option value=”saab”>Saab</option> <option value=”mercedes”>Mercedes</option> <option value=”audi”>Audi</option> </select> […]
The Select object represents an HTML <select> element. Access a Select Object You can access a <select> element by using getElementById(): Example var x = document.getElementById(“mySelect”); Try it Yourself » Tip: You can also access a Select object by searching through the elements collection of a form. Create a Select Object You can create a <select> element by using […]
Small Object The Small object represents an HTML <small> element. Access a Small Object You can access a <small> element by using getElementById(): Example var x = document.getElementById(“mySmall”); Try it Yourself » Create a Small Object You can create a <small> element by using the document.createElement() method: Example var x = document.createElement(“SMALL”); Try it Yourself » Standard […]
Example Define a smaller text: <p>DW Faisalabad</p> <p><small> – the world’s largest web development site.</small></p> Try it Yourself » Definition and Usage The <small> tag defines smaller text (and other side comments). Browser Support Element <small> Yes Yes Yes Yes Yes Differences Between HTML 4.01 and HTML5 NONE. Related Pages HTML tutorial: HTML Text Formatting […]
Source Object The Source Object is new in HTML5. The Source object represents an HTML <source> element. Access a Source Object You can access a <source> element by using getElementById(): Example var x = document.getElementById(“mySource”); Try it Yourself » Create a Source Object You can create a <source> element by using the document.createElement() method: Example var x […]
HTML <source> src Attribute An audio player with two source files. The browser should choose which file (if any) it has support for: <audio controls> <source src=”horse.mp3″ type=”audio/mpeg”> Your browser does not support the audio element. </audio> Try it Yourself » Definition and Usage The src attribute specifies the URL of the media file to play. This attribute is required […]
The Script object represents an HTML <script> element. Access a Script Object You can access a <script> element by using getElementById(): Example var x = document.getElementById(“myScript”); Try it Yourself » Tip: You can also access a <script> element by using the scripts collection. Create a Script Object You can create a <script> element by using the document.createElement() method: Example […]
Samp Object The Samp object represents an HTML <samp> element. Access a Samp Object You can access a <samp> element by using getElementById(): Example var x = document.getElementById(“mySamp”); Try it Yourself » Create a Samp Object You can create a <samp> element by using the document.createElement() method: Example var x = document.createElement(“SAMP”); Try it Yourself » Standard […]
S Object The S object represents an HTML <s> element. Access a S Object You can access a <s> element by using getElementById(): Example var x = document.getElementById(“myS”); Try it Yourself » Create a S Object You can create a <s> element by using the document.createElement() method: Example var x = document.createElement(“S”); Try it Yourself » Standard […]
Example A ruby annotation:www. <ruby> 漢 <rt><rp>(</rp>ㄏㄢˋ<rp>)</rp></rt> </ruby> Try it Yourself » Definition and Usage The <rp> tag can be used to provide parentheses around a ruby text, to be shown by browsers that do not support ruby annotations. Use the <rp> tag together with the <ruby> and the <rt> tags: The <ruby> element consists of one or more characters […]
