HTML Interview Questions and Answers
HTML refers for Hypertext Markup Language, which is a text-based approach to describing how content is structured in an HTML file. HTML is not a programming language. We have an impressive collection of HTML Interview Questions and Answers that is a must-read for all developers and designers!. It just tells a web browser how to structure content, graphics, and multimedia on a web page. Commonly used HTML tags include h1; h2; div; table; and form etc. The most significant advantage of HTML is that it comes with in-built tools for creating responsive websites as well as interface components.
|Quick Questions about HTML|
|What is HTML?||It is the markup language for documents designed to be displayed in a web browser.|
|What is the latest version of HTML?||HTML5, released on 28th October 2014|
|When was HTML first released?||1993|
|Who created html?||Tim Berners-Lee|
Most Frequently Asked HTML Interview Questions
HTML is a language of www (world wide web). It is a text formatting language that gives us webpage structure. HTML elements are represented by tags. HTML is used to make interactive and dynamic websites — all web pages created by HTML tags.
This is not an html tag. The <!DOCTYPE> syntax should be the first thing in HTML page, before the <html> tag. It is an instruction to the web browser about what version of HTML the page is written in. In HTML 4 we used <!DOCTYPE HTML PUBLIC ‘-//W3C//DTD HTML 4.01//EN’ ‘http://www.w3.org/TR/html4/strict.dtd’> But now in HTML 5 we used only <!DOCTYPE html>
HTML tag attributes are used for add additional functionality. Attributes like id, class, style, lang, title etc
In HTML, Lists are used to specify lists of various types of information. All records items may contain one or more elements.
Types of HTML lists are listed below:
- Ordered List(ol)
- Unordered List(ul)
- Description List(dl)
Note: You can easily get marks in this HTML Interview Questions by just naming the types of lists in HTML.
|1.||The primary language for making web pages.||The fifth and latest version of HTML|
|3.||We can not track location||Easily tracking location with geolocation in HTML|
|4.||Browser cache used for temporary storage||Application cache, web SQL DB, ad web storage used as temporary storage.|
|5.||<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">||<!DOCTYPE html>|
The new input types for form validation are email, URL, number, tel, and date. With the help of the required attribute, it will work. Also if we want specific validation, then we have to add input type "text" or "email" or "tel."
Note: Learn the basic validations with HTML tags and work to crack the HTML Interview Questions.
It is used to explain the two-dimensional vector and raster graphics. SVG images and their behaviors are defined in XML files. So as XML files, you can create and update SVG image with the text editor. It is mostly used for vector type diagrams like pie charts, 2-Dimensional graphs in an X, Y coordinate system.
There are lots of new elements are using in html5 that are given below:-
White spaces are a new sequence of space characters, which is treated as a single space character in HTML. Because the browser collapses multiple areas into a single space, we can indent lines of text without worrying about various fields. It enables you to organize the HTML code into a more human readable format.
HTML Stands for Hypertext Markup Language, and Berners Lee created it in 1991.
HTML Heading tags can be used to define as a title or a subtitle which you want to display on your page. When you place the text in the heading tags <h1> This is your page title</h1>, These heading tags displayed on the browser in the bold format and size of the text depends on the number of heading.
There are six different HTML headings which are defined with the <h1> to <h6> tags. h1 is the largest heading tag, and h6 is the smallest one. So h1 is used for most important heading, and h6 is used for least important.
Advantages of HTML:
- HTMl is widely used.
- Every web browser supports HTML language.
- It is easy to use and learn.
- It is by default in every window, so you don't need to purchase extra software.
Disadvantages of HTML:
- HTML is used for a static web page, not for dynamic
- Need to write a lot of code for making a simple webpage.
- Security features are not useful in HTML.
HTML 5 is the latest version of HTML
<form> tag are used to making forms on web pages. These forms are used to interact directly with users. Its elements are different types of input, like text fields, checkboxes, radio buttons, submit buttons and more. Attributes of these <form> tag are action, method, name, class, id, etc. The <input> tag can be displayed in many ways, depending on the type attribute.
<input type="text" name="First_name">
<input type="text" name="Last_name">
In HTML, <table> tag is a block elements used to create a table. It is useful when you want to represent data using rows and columns. The basic elements that make up a table include <th>, <td>, and <tr>.
<img> tag are used to show image in web page. <img src=" https://www.bestinterviewquestion.com/public/frontend/img/b2.jpg" alt="Blog Image"/> Attributes of this tag is width, height, class, alt, id etc
HTML elements with no text or content are called empty elements. For example: <br>, <hr> etc
<meta charset ="UTF-8">
<title>Best interview questions</title>
<header> <nav></nav> </header>
<marquee> is used to put the text scrolling which is in scrolling mode on a web page. It scrolls the text or images up, down, left or right automatically. You have to put the content which you want to scroll in between the <marquee>......</marquee> tag.
In HTML page comments begins with “<!–“ and ends with “–>.”
Image map lets the user link to many different web pages using a single image. We can define shapes in pictures that we want to make part of an image mapping. It is the process of establishing unique ways inside a photo and links it to different destinations.
Alternate Texts, also known as Alternative Descriptions or simply Alt Tags help in better crawling and indexing of images on your website. By default, Google’s crawl bot cannot understand images. It needs guidance to help understand what the image is about. Alt Texts help Google bot to understand what the image is displaying. Besides this, people with visual imparity also benefit from these as they can understand the text in Braille but cannot see an image.
Entities in HTML are pieces of text “strings” which begin with an ampersand symbol (&) and end with a semicolon (;). These are usually used to display special characters which would otherwise be interpreted as simple HTML code and/or invisible characters.
|Local Storage||Session Storage|
|A type of Web Storage Object used in HTML 5 which allows users to store data without any expiry date.||Session Storage is another part of web storage that allows users to store data pertaining to only one session.|
|It is used particularly in environments where data needs to be transferred in multiple windows and should last more than the current session.||It allows users to carry out a single transaction but it can be carried out parallelly in multiple windows.|
Cell spacing is an attribute in HTML which is used to define the exact amount of spacing between pixels within cells. Whereas, Cell Padding is used to define the spacing between the cell wall and the cell content.
<p>Table without cell spacing:</p>
<h4 class="mt-10 mb-10">Example of Cell Padding</h4>
<p>Table without cellpadding attribute :</p>
<p>Table with cellpadding attribute:</p>
<table cell padding="10">
|Here, the tags are not extensible||Here the tags are extensible.|
|In HTML, the tags are not case-sensitive||In XHTML, only the lowercase tags are accepted.|
|It supports the overlapping of tags.||It does not support the overlapping of tags.|
Three types of CSS are accepted in HTML, they are
- Inline CSS
- Internal CSS
- External CSS
Development History: Tim Berners-Lee was the primary author of HTML. The first version of HTML was published in June 1993.
Key points about HTML:
- HTML is the building block for developing websites.
- Universally accepted standard for making sure search engines can find your web pages on relevant searches.
- HTML tags are case-insensitive.
- Browsers use HTML tags to render the content of the web page.
Latest Version: HTML5 is the newest version of HTML.
Are you looking to impress your boss and grab the upcoming promotion at work? Here are the most common HTML interview questions to help you do that.
Advantages of HTML
- Offers SEO benefits.
- HTML is widely used and supported by most browsers.
- HTML 5 Provides us storage options are more reliable.
- It is not a proprietary code, so you do not need to pay a royalty for using it.
- Coding is simple, clear and consistent. Even new programmers can use it with ease.
These HTML interview questions will help you prepare for your upcoming job interview as well and fast-track your career. Whether you are a fresher or an experienced HTML developer, these Questions & Answers are all you need to succeed in your next interview.