For iframe elements in XML documents, the srcdoc attribute, if present, must have a value that matches the production labeled document in the. Dans votre application, utilisez une balise iframe> pour définir l’URL src. All data-param-* attributes will be added as query parameter to the YouTube iframe src. This may be used to pass custom values through to YouTube plugins, .

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The img element must not be used as a layout tool. For example, if a requirement states that “authors must not use the foobar element”, it baise imply that documents are valise allowed to contain elements named foobar.

When writing filters to validate user input, it is imperative that filters always be safelist-based, allowing known-safe constructs and disallowing all other input. Before this task is run, as part of the event loop mechanism, the rendering will have been updated to resize the video element if appropriate.

This might in certain extreme cases mean limiting the use of flow elements to just a few elements, like divbiand span and making liberal use of the style attribute. Irame, run the following substeps. In this case, by potentially exposing, via a brute force search, which fonts a user has installed, information which can vary considerably from user to user. The IDL attributes datatype and name each must reflect the respective content attributes of the same name. An embed element is said to be potentially active when the following conditions are balose met simultaneously:.

Implementors are therefore encouraged to carefully examine any date parsing libraries baljse using them to implement the parsing rules described below; ISO libraries might not parse dates and times in exactly the same manner. The following table lists the keywords and states for the attribute — the keywords in the left column map to the states in the cell in the second column on the same row as the keyword.


Purely decorative images are visual enhancements, decorations or embellishments that provide no function or information beyond aesthetics to users who can view the images.

It is used to disambiguate the “M” unit in ISO durations, which use the same unit for months and minutes. If position is not beyond the end of inputthen fail. If the time present flag is true, then parse a time component to obtain hourminuteand second. While it is possible to use presentational markup in a way that provides users of assistive technologies ATs with an acceptable experience e. This is the same way expansion is done for element type names in start and end-tags except that the default namespace declared with xmlns is not used: The defaultPlaybackRate attribute gives the desired speed at which the media resource is to play, as a multiple of its intrinsic speed.

The parameter descriptions have been updated accordingly. Queue a task to run the following substeps:. Sets of comma-separated tokens sometimes have further restrictions on what consists a valid token. User agents are encouraged to expose parse error s somehow. Unlike previous versions of the HTML specification, this specification defines in some detail the required processing for invalid documents as well as valid documents.

An img element has a current request and a pending request. The type attribute, if present, specifies the type of the resource.

Paramètres du lecteur | YouTube API iFrame | Google Developers

User agents must only display the first page of a multipage resource e. Web browsers that do not support scripting, or that have scripting disabled, might be unable to fully convey the author’s intent. Set the current playback position to the new playback position.

Providing text alternatives allows the information to be rendered in a variety of ways by a variety of user agents. The internal pause steps for a media element are as follows:. The buffered attribute must return a new static normalized TimeRanges object that represents the ranges of the media resourceif any, that the user agent has buffered, at the time the attribute is evaluated.


Interpret s as a base-ten integer. Parse a date component to obtain yearmonthand day.

HTML iframe tag

In such cases the minimum requirement is to provide a caption for the image using the figure and figcaption elements under the following conditions:. Append number to numbers. June 8, This update contains the following changes: The type gives the type of the images in the source setto allow the user agent to skip to the next source element if it baliae not support the given type.

This specification uses the term document to refer to any use of HTML, ranging from short static documents to long essays or reports with rich multimedia, as well as to fully-fledged interactive applications. The value of this attribute must be the empty string. This algorithm will return either a number greater than 0.

Otherwise, the element has no track language. Some of the micro-parsers described below follow the pattern of having an input variable that holds the string being parsed, and having a position variable pointing at the next character to parse in input.

The picture element and the source element, together with the media attribute, can be used, to provide multiple images that vary the image content for intance the smaller image might be a cropped version of the bigger image.

This will return either a time in UTC, with associated time-zone offset information for round-tripping or display purposes, or nothing. These sizes do not necessarily have to match up exactly with the actual image width as specified in the CSS.

Paramètres du lecteur

When accepting untrusted input, e. The video element is a media element whose media data is ostensibly video data, possibly with associated audio data. The abstract operation ToString is not uniquely determined. If no media data is available, then bwlise attributes must return the Not-a-Number NaN value.