The W3C Geo开发者_C百科location API (among others) uses DOMTimeStamp for its time-of-fix. This is \"milliseconds since the start of the Unix Epoch\".
Is it necessary to have <tbody> in every table? Accor开发者_开发知识库ding to Standards.Only if you define thead and tfoot. It is mostly used when the table has multiple bodies of content. If th
If am writing a local app that will only run using a specific browser, am i setting my self up by slightly ignoring W3C\'s standards?I ask this question because in this app i am thinking of using cust
I\'m wondering if there is 开发者_Python百科any build-in support for the HTML5 Notification feature in Gecko browsers so far? Maybe some hidden developer thingy ?
I couldn\'t find anything in the W3C docs that said pipe chars, |, aren\'t allowed, for instance: <div class=\"c开发者_JAVA技巧lass1|class2\">
CSS3 rules bring lots of interesting features. Take border-radius, for example. The standard says that if you write this rule:
A recent article on HTML5 says, the Proposed Recommendation date is 2022 and the Cand开发者_运维百科idate Recommendation date is 2012.
I was look开发者_如何学Pythoning at the W3C specs for the script tag, and I noticed you can specify VBScript and TCL as a language type. This is extremely new to me; I\'ve only ever seen Javascript us
I would like to know if the opengraph markup is W3C valid, I\'m getting the following error when I try to validate it:
I need to control some script elements, that\'s why I want to add class attribute to do it. But, w3c says that it\'s invalid. Some effect, if I add re开发者_如何学编程l or id attribute.
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