One Line Definitions:
1. Doctype define <!DOCTYPE html>
The <canvas> tag is used to draw graphics, on the fly, via scripting (usually JavaScript). The <canvas> tag is only a container for graphics, you must use a script to actually draw the graphics.
2. New graphic elements: <svg> and <canvas>.
3. New form control attributes: number, date, time, calendar, and range.
4. Canvas .getContext();
5. Currently, there are 3 supported video formats for the <video> element: MP4, WebM, and Ogg:
6. Currently, there are 3 supported file formats for the <audio> element: MP3, Wav, and Ogg:
7. <datalist> Defines pre-defined options for input controls
8.<keygen> Defines a key-pair generator field (for forms)
9. The <input type="month"> allows the user to select a month and year.
10. <input type="email"> is used for input fields that should contain an e-mail address.
11. <input type="tel"> is used for input fields that should contain a telephone number.
12. The formaction attribute overrides the action attribute of the <form> element.
13. The formaction attribute is used with type="submit" and type="image".
14. The formenctype attribute overrides the enctype attribute of the <form> element.
15. The formenctype attribute is used with type="submit" and type="image".
16. The formenctype attribute specifies how the form-data should be encoded when submitting it to the server (only for forms with method="post").
17. The formmethod attribute overrides the method attribute of the <form> element.
18. The formmethod attribute can be used with type="submit" and type="image".
19. The formnovalidate attribute overrides the novalidate attribute of the <form> element.
20. The formnovalidate attribute can be used with type="submit".
21. default width of a text field is 20 characters.
22. The <input type="time"> allows the user to select a time (no time zone).
23. <input type="datetime-local"> allows the user to select a date and time (no time zone).
24. HTML5 added several new input types
- color
- datetime
- datetime-local
- month
- number
- range
- search
- tel
- time
- url
- week
25. The <article> element specifies independent, self-contained content.
26. The <figcaption> element defines the caption.
