Html5 — Part 1 MCQs with Explanations

All the mentioned attributes are deprecated in HTML5.

dir is rarely used, and provides similar functionality to unordered lists.

frameset is usability concerns.

The accesskey attribute specifies a shortcut key to activate/focus an element.

The header element represents a container for introductory content or a set of navigational links.

The itemscope attribute is a boolean attribute. An element with the itemscope attribute specified creates a new item, a group of name-value pairs.

The figure tag specifies self-contained content, like illustrations, diagrams, photos, code listings, etc.

The article tag contains a standalone piece of content that would make sense if syndicated as an RSS item, for example a news item.

The header tag is used to contain the header content of a site.

The aside tag defines a block of content that is related to the main content around it, but not central to the flow of it.

The nav element is for marking up the navigation links or other constructs (eg a search form) that will take you to different pages of the current site, or different areas of the current page.

To provide both human and machine-friendly date/time content, the element supports a datetime attribute, which should be set to the previously mentioned date format of YYYY-MM-DDThh:mm:ssTZD.

HTML documents are delivered as “documents”.These are then parsed, which turns them into the Document Object Model (DOM) internal representation, within the web browser.

The mark tag defines marked text and is used to highlight parts of your text.

To show a video in HTML, use the video element.

Conventionally, many Web developers have used and tags to encapsulate navigation and then styled the elements appropriately as menu items. This seems to introduce quite a bit of ambiguity in markup because it may be difficult to determine the difference between a list that has links in it and a list that is simply navigation.

It suggests to the browser that it should load as much of the resource as possible. As long as the browser’s own media cache isn’t full, it will keep on downloading.

The canvas element is part of HTML5 and allows for dynamic, scriptable rendering of 2D shapes and bitmap images.

Traditionally,multimedia has been inserted with the embed and object elements, particularly when inserting Adobe Flash, Apple QuickTime, Windows Media, and other formats.

An attribute of the format: type=”application/x-shockwave-flash” will justify the purpose.

W3C CEO Jeff Jaffe states that “now that HTML5 is done, W3C should do more to strengthen the parts of the Open Web Platform that developers most urgently need for success.

The World Wide Web Consortium (W3C) published a Recommendation of HTML5, the fifth major revision of the format used to build Web pages and applications, and the cornerstone of the Open Web Platform.

Android browsers support a new streaming protocol namedHTTP Live Streaming (HLS) implemented by Apple Inc.

jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library.

The preload property allows the author to provide a hint to the browser about what he/she thinks will lead to the best user experience. This attribute may be ignored in some instances.

If height and width are not set, the browser does not know the size of the video. The effect will be that the page will change (or flicker) while the video loads.

The Ogg container format with the Theora video codec and the Vorbis audio codec is supported in desktop/mobile Gecko (Firefox), Chrome, and Opera, and support for the format can be added to Safari (but not on iOS) by installing an add-on. The format is not supported in Internet Explorer in any way.

Setting this property will only change the default playback speed, not the current.

The purpose of the crossorigin attribute is to allow you to configure the CORS requests for the element’s fetched data.

A buffered range is a time-range of buffered audio/video. The user gets several buffered ranges if he/she skips in the audio/video.

There are 3 formats that are used in HTML5 Audio and are .mp3, .m4a AAC also known as H.264 format.

IE(Internet Explorer) does not support wav and Ogg file format.

The volume property sets or returns the current volume of the audio/video.

The controls attribute is a boolean attribute. When present, it specifies that audio controls should be displayed.

The autoplay attribute is a boolean attribute. When present, the audio will automatically start playing as soon as it can do so without stopping.

The loop attribute is a boolean attribute. When present, it specifies that the audio will start over again, every time it is finished.

The error property returns a MediaError object. The MediaError object has a code property containing the error state of the audio/video.

The textTracks property returns a TextTrackList object. The TextTrackList object represents the available text tracks for the audio/video. Each available text track is represented by an TextTrack Object.

All the statements regarding SVG are true.

contextType is a DOMString containing the context identifier defining the drawing context associated to the canvas.