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Proper way to make HTML nested list?
...3C Wiki on Lists (taken from comment below): HTML Lists Wiki.
Link to the HTML5 W3C ul spec: HTML5 ul. Note that a ul element may contain exactly zero or more li elements. The same applies to HTML5 ol.
The description list (HTML5 dl) is similar, but allows both dt and dd elements.
More Notes:
d...
Is an anchor tag without the href attribute safe?
...
In HTML5, using an a element without an href attribute is valid. It is considered to be a "placeholder hyperlink."
Example:
<a>previous</a>
Look for "placeholder hyperlink" on the w3c anchor tag reference page: ...
What is the difference between HTML tags and ?
...iv> to mark</span> up</div>
...is illegal.
EDIT: As of HTML5, some block elements can be placed inside of some inline elements. See the MDN reference here for a pretty clear listing. The above is still illegal, as <span> only accepts phrasing content, and <div> is flo...
Is an empty href valid?
...ich is currently IETF’s URI standard), which essentially says the same.
HTML5
HTML5 uses (valid URL potentially surrounded by spaces → valid URL) W3C’s URL spec, which has been discontinued. WHATWG’s URL Standard should be used instead (see the last section).
HTML 5.1
HTML 5.1 uses (vali...
In HTML5, is the localStorage object isolated per page/domain?
Is the HTML5 localStorage object isolated per page/domain? I am wondering because of how I would name localStorage keys. Do I need a separate prefix? Or can I name them whatever I want?
...
Submit HTML form on self page
...
In 2013, with all the HTML5 stuff, you can just omit the 'action' attribute to self-submit a form
<form>
Actually, the Form Submission subsection of the current HTML5 draft does not allow action="" (empty attribute). It is against the spe...
HTML - Display image after selecting filename [duplicate]
...;title>JS Bin</title>
<!--[if IE]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<style>
article, aside, figure, footer, header, hgroup,
menu, nav, section { display: block; }
</style>
</head>
<bod...
Change an HTML5 input's placeholder color with CSS
Chrome supports the placeholder attribute on input[type=text] elements (others probably do too).
37 Answers
...
How to load local script files as fallback in cases where CDN are blocked/unavailable? [duplicate]
...c="js/libs/jquery-1.4.2.js"%3E%3C/script%3E'))</script>
Taken from HTML5 Boilerplate.
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contenteditable change events
...to poll the element's contents as a fallback.
UPDATE 29 October 2014
The HTML5 input event is the answer in the long term. At the time of writing, it is supported for contenteditable elements in current Mozilla (from Firefox 14) and WebKit/Blink browsers, but not IE.
Demo:
document.getElemen...