Which of the following iframe attributes are not supported in HTML5?

Note − The frameborder, marginwidth, longdesc, scrolling, marginheight attributes deprecated in HTML5. Do not use these attributes.

Which of the following attributes are not supported in HTML5?

Some attributes from HTML4 are no longer allowed in HTML5 at all and they have been removed completely. img and iframe. caption, iframe, img, input, object, legend, table, hr, div, h1, h2, h3, h4, h5, h6, p, col, colgroup, tbody, td, tfoot, th, thead and tr. table, tr, td, th and body.

Are iframes supported in HTML5?

The <iframe> element is still valid in HTML5. Depending on what exact interaction you need there might be different APIs. For example there’s the postMessage method which allows you to achieve cross domain javascript interaction.

Which are the attributes of iframe tag?


Attribute Value Description
src URL Specifies the address of the document to embed in the <iframe>
srcdoc HTML_code Specifies the HTML content of the page to show in the <iframe>
width pixels Specifies the width of an <iframe>. Default width is 300 pixels
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Which of the following is not an HTML5 element?

Correct Option: A

<video> tag is used to display video clips in HTML5. Multiple media resources for media elements is specified by <source> tag. Text track for media elements i.e. <audio> & <video> is provided by <track> tag in HTML5. There is no such thing as slider tag in HTML5.

What is align tag in HTML?

Definition and Usage

The align attribute specifies the alignment of an <object> element according to the surrounding element. The <object> element is an inline element (it does not insert a new line on a page), meaning that text and other elements can wrap around it.

Which is new element in HTML5?

HTML5 – New Tags (Elements)

Tags (Elements) Description
<audio> Defines an audio file.
<canvas> This is used for rendering dynamic bitmap graphics on the fly, such as graphs or games.
<command> Represents a command the user can invoke.
<datalist> Together with the a new list attribute for input can be used to make comboboxes

Is it bad to use iframes?

Iframes Bring Security Risks. If you create an iframe, your site becomes vulnerable to cross-site attacks. You may get a submittable malicious web form, phishing your users’ personal data. A malicious user can run a plug-in.

What is the difference between iframe and embed?

EMBED is basically the same as IFRAME, only with fewer attributes. Formally, EMBED is an HTML 5 tag, but on several browsers it will also work for HTML 4.01, if you are using this. It just cannot be validated.

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Is iframe still used?

FRAMEs are poor version of IFRAMES. Their use is declining. If a user has javascript disabled, iframes will work when ajax doesn’t.

Why is iframe used?

An iFrame is a frame within a frame. It is a component of an HTML element that allows you to embed documents, videos, and interactive media within a page. By doing this, you can display a secondary webpage on your main page. The iFrame element allows you to include a piece of content from other sources.

What are the values for Coords attribute?

The coords attribute specifies the coordinates of an area in an image map. The coords attribute is used together with the shape attribute to specify the size, shape, and placement of an area. Tip: The coordinates of the top-left corner of an area are 0,0.

What is the purpose of the class attribute?

The class attribute specifies one or more classnames for an element. The class attribute is mostly used to point to a class in a style sheet. However, it can also be used by a JavaScript (via the HTML DOM) to make changes to HTML elements with a specified class.

Which element is introduced before HTML5?

1. Which feature was already introduced before HTML5? Explanation: Until recently you could not draw on the web and graphics were not very interactive but canvas/SVG which were introduced by HTML5 solved all the problems. Video, Geolocation were also new features introduced by HTML5.

Which works similar to i element?

Which works similar to <i> element? Explanation: <strong> element shows the importance of text/paragraph between it’s tags.

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How many attributes are there in HTML5?

HTML5 form attributes. There are 14 new attributes that we’ll be looking at in this article.

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