HTML Interview Questions

HTML Interview Questions Download HTML Interview Questions PDF

HTML Interview Questions

Grouping is used to group several HTML controls like input, textarea, selects as well as labels ( <label>) within a web form. In HTML <fieldset> element is used for Grouping.

XHTML means Extensible Hypertext Markup Language, which is basically a part of Family of XML markup language. It usually extends the most popularly used HTML i.e. Hypertext Markup Language, the pages in which the web pages are formulated.
HTML means Hypertext Markup Language.
This language is basically used for creating web applications and also for web pages as well. It is a standard markup language with cascading style sheets and JavaScript which form a triad for WWW i.e. worldwide Web.HTML came into existence in 1980 when a great computer professor Sir Tim Berners Lee (a contractor and author of HTML) proposed an idea in CERN, to basically sharing and using documents. So in this way, a great language came into existence.
Basically, when we usually start with a hyperlink that is Mailto rather than using HTTP or others, the browser should be able to compose an email in the visitor’s default email program on their computer. There are two ways to insert a mailto link into a HubSpot page or email, just by inserting a hyperlink into the rich editor or inputting into the source code. Option one is basically nothing just to insert a mailto link as a hyperlink, also highlight the text or click on the image as you wish.to apply on the mailto link to for your contacts or visitors to click on and finally click Add the link to finish. Option two is to Insert a mailto link into the source code and Click Save to finish then Publish or Update your page.
Example:
<a href="mailto:someone@example.com?Subject=Hello%20again" target="_top">Send Mail</a>
An HTML element is basically an individual component usually of HTML  web page or document.Once if this has been also parsed into the document object model.HTML nodes is the main part which composes HTML for example such as text nodes.HTML attributes can be specified from each node. Content, including other nodes and text, together build up a node. Semantics or meaning are mostly represented by many HTML nodes. Let us take an example of title node represents the title of the document.
Sir Tim Berners-Lee, a great physicist who is a great personality is the author of HTML. He is also the director of the World Wide Web Consortium i.e. W3C. He is also the founder of WWWF i.e.World wide Web Foundation. Open Data Institute is founded by him and also he is director of this institute.H e is a director of the Web Science Research Initiative i.e. WSRI and a member of the advisory board of the MIT Center for Collective Intelligence. Sir Tim Berners is a great personality, as he is the professor of the computer department and also the founder of many institutes and Research initiatives. An idea struck into his mind, how can a computer be made helpful for using and sharing documents. So, he designed the most trending and tremendous language, through which it is very easy to make web pages and all. Also, it is most trending and still is in use rather like other outdated languages.

The difference between span and div is that a span element is in-line and usually used for a small chunk of HTML inside a line (such as inside a paragraph) whereas a div (division) element is block-line (which is basically equivalent to having a line-break before and after it) and used to group larger chunks of code.

<div id="scissors">
    <p>This is <span class="paper">crazy</span></p>
</div>

Further Reading: http://www.htmldog.com/guides/html/intermediate/spandiv/

If you go and have a look at HTML markup for any webpage today, you will let to know that HTML elements are contained within other HTML elements. These elements which are inside of other are known as nested elements and they had become the essential part of building any web page nowadays. The most expertise way to know more about nesting is just to think about HTML tags in the form of boxes that hold your content which can be in form of text, images,etc.HTML tags are basically the boxes around the content.

Semantic HTML or Semantic Markup is HTML that introduces meaning to the web page rather than just presentation.

<form>, <table>, and <article> are examples of Semantic Elements.

Below are the list of few new Semantic Elements introducted HTML5

  • <article>
  • <aside>
  • <details>
  • <figcaption>
  • <figure>
  • <footer>
  • <header>
  • <main>
  • <mark>
  • <nav>
  • <section>
  • <summary>
  • <time>

HTML tag is just opening or closing entity.

Example: <p> and </p> are called HTML tags

HTML element encompasses opening tag, closing tag, content (optional for content-less tags)

Example: <p>This is the content</p> : This complete thing is called an HTML element

source: https://stackoverflow.com/questions/8937384/what-is-the-difference-between-html-tags-and-elements

HTML supports a wide range of media formats for sound, music, videos, movies, and animations. Below is the list extensions supported by each media format.

Media TypeFormats Supported
Imagespng, jpg, jpeg, gif, apng, svg, bmp, bmp ico, png ico
AudioMIDI, RealAudio, WMA, AAC, WAV, Ogg, MP3, MP4
VideoMPEG, AVI, WMV, QuickTime, RealVideo, Flash, Ogg, WebM, MPEG-4 or MP4
The sequence of characters or other symbols which we usually use to insert at certain places in a word or text file in order to indicate how the file should look when it is displayed or printed or Basically to describe documents logical structure. The markup indicators are often known as tags. Elements and tags are two different words which we need to understand as there is a lot of confusion among public related to this fact. It must be noted that HTML documents contain tags, but do not contain the elements. It is a wide misconception that usually occurs in mind that both exist in HTML documents.elements are usually only generated after parsing step from these tags
20+ HTML5 Interview Questions for freshers

Yes, Collapsing white spaces is one good way of writing HTML codes in an organized way. White spaces act similar to a single-spaced character and occupy the same size as rest of the characters. By collapsing multiple white spaces, we can indent lines of text and make the code more readable.

In HTML, we have two types of lists unordered lists and ordered lists. Unordered list starts with <ul> tag and ends with </ul> tag. Ordered tag starts with <ol> and ends with </ol>. Each list item is written as <li></li>