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Do HTML5 Script tag need type=“javascript”? [duplicate]

Do in HTML5, the <script> tag need attribute type="text/javascript" ? I mean isn't it obvious if the <script> tag will be contains javascript? ...
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Prevent HTML5 video from being downloaded (right-click saved)?

... Thanks. I Just read craftymind.com/factory/html5video/CanvasVideo.html. The idea is almost same as your answer. – Trung Jun 19 '13 at 4:26 1 ...
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What is DOCTYPE?

...es between different "standards compliant" rendering DOCTYPEs, such as the HTML5 DOCTYPE (<!DOCTYPE html>, prior to HTML5, only known as the "skinny doctype" which does not trigger standardized rendering in older browsers) and other DOCTYPEs such as this one for HTML 4.01 transitional: <!D...
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What browsers support HTML5 WebSocket API?

...support WebSockets. There's experimental support available as an add-on in HTML5 Labs, but not shipped and ready. – Shog9 Mar 22 '11 at 20:54 ...
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Best way to detect that HTML5 is not supported

...tandard way to deal with situations where the browser does not support the HTML5 <canvas> tag is to embed some fallback content like: ...
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HTML5 check if audio is playing?

What's the javascript api for checking if an html5 audio element is currently playing? 9 Answers ...
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What is the correct value for the disabled attribute?

..., <input type="text" disabled="disabled" /> is the valid markup. For HTML5, <input type="text" disabled /> is valid and used by W3C on their samples. In fact, both ways works on all major browsers. share ...
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How can I write text on a HTML5 canvas element?

Is it possible to write text on HTML5 canvas ? 8 Answers 8 ...
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Can I nest a element inside an using HTML5?

... No, it isn't valid HTML5 according to the HTML5 Spec Document from W3C: Content model: Transparent, but there must be no interactive content descendant. The a element may be wrapped around entire paragraphs, lists, tables, and so forth, even e...
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Are empty HTML5 data attributes valid?

...ead> <body data-asdf> </body> </html> On the other, HTML5 does not say in the specification of data- attributes that they are boolean: https://www.w3.org/TR/html5/dom.html#custom-data-attribute while it says that very clearly for other boolean attributes like checked https://w...