HTML Interview Questions

A Physical tag has physical text which is used to tell the browser how to display the text enclosed in the physical tag.

Example for the physical tags are: <big>, <b>, <i>

Logical tags are used to tell the meaning of the enclosed text in it. The example of the logical tag is <Important>….</Important> tag. When we enclose text in Important tag then it tell the browser that enclosed text is more important than other text.

Example:

<table border cellspacing=3>
<table border cellpadding=3>
<table border cellspacing=3 cellpadding=3>

<a href="mailto:someone@example.com?Subject=Hello%20again" target="_top">Send Mail</a>

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.

HTML supports 6 types of heading tags they are H1, H2, H3, H4, H5, and H6. H1 is the highest and most important heading tag.

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>

Tim Berner Lee(Tim Berners-Lee) is known as the father of "World Wide Web".

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

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.

The <fieldset> is a tag in HTML that is used to group related elements in a form. It draws a box around the related elements.

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/

The basic purpose of using alternative texts is to define what the image is about. During an image mapping, it can be confusing and difficult to understand what hotspots correspond to a particular link. These alternative texts come in action here and put a description at each link which makes it easy for users to understand the hotspot links easily.

Image mapping lets a user to link one image to different web pages in and out of the website. It is the process of defining special shapes inside an image and link it to different destinations.

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.

Copyright symbol can be either copied and pasted from other sources. Or, you can also add it by writing a small piece of code: &copy; or & #169; in the required page