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Thread: HTML 5 - What's changed in HTML 5? Doctype and simplicity!

  1. 24-07-12, 10:33 AM #1
    Ben Stones
    Ben Stones is offline Administrator
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    Default HTML 5 - What's changed in HTML 5? Doctype and simplicity!

    HTML 5 is definitely going to make our lives easier as web developers. Here are some of the biggest changes coming to HTML 5 that you'll notice (not all of which is listed here - feel free to respond with any further HTML 5 spec.)

    HTML 5 doctype declaration
    Right now, to declare the doctype is nothing short of long and confusing, and it could be much, much simpler. Luckily, the W3C has agreed. In HTML 5, the doctype is incredibly simple:

    Old:
    Code:
    1.<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    New:
    Code:
    <!DOCTYPE html>
    The doctype is necessary to ensure compatibility with browsers that require a doctype declaration. However, when HTML 5 is in full swing, it won't be necessary.

    The type attribute in script and style HTML tags

    You no longer need to specify the type of the script or style tag. By default, the browser should assume it is a JavaScript or CSS stylesheet, respectively. This is implied unless explicitly stated otherwise by the use of the type tag atttribute.

    New "e-mail" text field
    In HTML 5, you will have some form of client-side validation by the use of amn email text field type. The browser will do client-side validation that can safe time on the server-side, as most people will not bypass the client-side validation checks. However, that said, it is still important to do server-side checks; it's easy to bypass any kind of client-side validation checks, including JavaScript checks. It's merely more for end-user convenience than anything else.

    Code:
    <input type="email" name="email">
    "Pattern" attribute in text fields
    You can now do client-side regular expression checks. If you're familar with the use of regular expressions in programming languages like Perl and PHP, you'll feel right at home with the pattern attribute of the input tag. It can safe processing time on the server-side as a lot of the checks will be conducted on the client-side. Again, always still do server-side checks to be absolutely safe. It would be a rookie mistake to simply trust client-side validation checks - they can be bypassed very easily.

    Code:
    <input type="text" name="username" pattern="[a-zA-Z]{3,25}">
    This requires that a username be at least 3 characters long and no more than 25 - again, a client-side validation check.
    Regards,
    [url=http://b3ns.com]Ben Stones[/url]

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  2. 21-09-12, 03:08 AM #2
    annahussy
    annahussy is offline Banned
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    Hi, Very nice sharing here that's really great to getting knowledge about this HTML5 elements changes. HTML5 is really very nice and useful language to learn and its also very useful to use. It's have many new function that really good to use.
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  3. 22-05-13, 12:35 PM #3
    madelinekim
    madelinekim is offline Junior Member
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    HTML5 is really the best tool which is the advanced level of HTML. HTML5 is the reliable due to its advanced tools and features like audio, video, canvas etc. You can make the thing easier and smoother by using HTML5.
    AutoCAD Course
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  4. 23-05-13, 11:24 AM #4
    Shuang
    Shuang is offline Junior Member
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    Good to know about HTML5, haven't tried it yet however am now confused between using CSS orHTML Which is better and why?
    Your opinion will help me to decide the coding part for my future websites !
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