Whether you studied HTML courses at college or learned it through online courses, you need to be sound in your knowledge of HTML to impress the interviewer and land a job as an HTML Front End developer. Your preparation for HTML interview questions needs to be immaculate for you to be able to crack an interview. We have compiled a list of some of the most important HTML and CSS interview questions and answers which will help you do just that. If you are prepared well and answer these interview questions on HTML, you can prove to the interviewer that your skills are up to date, and this will increase the chance of you getting that job.
1. What is HTML?
Though there is less chance of the interviewer asking this question directly, you still need to be prepared to tell them what HTML is: HyperText Markup Language. Put simply, HTML is the markup language for documents that are to be displayed in a web browser and is used to define the content and structure of web pages. An HTML document can also contain links to other web pages.
2. What is HTML5 and how do you know if an HTML document is written in HTML5?
This is one of the most basic, yet important, HTML5 interview questions. HTML5 is the most recent version of HTML which, unlike the earlier versions such as HTML4, has no dependency on Document Type Definition (DTD) and Standard Generalized Markup Language (SGML). An HTML5 document can be identified by the inclusion of at the beginning of the document.
3. What are HTML tags?
In HTML, tags are used to properly format the document and contain content within them. HTML tags make use of two symbols - < and > - and a closing tag also includes the slash symbol (/). An example of HTML tags is the table tag which is defined as content…
.4. What are the elements in HTML?
In HTML, an element is anything that is a part of a webpage. This can include but is not limited to, a complete webpage, a content paragraph, a link to an external webpage, or anything else that a user can interact with. HTML elements can be divided into two categories – block-level and inline elements.
5. What is the structuring of an HTML document?
It is common sense that each HTML page can be different. But, there are a few rules which define how an HTML document has to be structured. This is explained below:
- DOCTYPE Tag - This is a special tag and is the initial tag to be implemented in an HTML document. It specifies the version of HTML to the browser. The syntax is.
- HTML Tag – There is only one HTML tag per document and it contains all the page elements. All the remaining HTML code is written inside the … tag.
- HEAD Tag - tag is the first element inside the tag. The content inside the Head tag is read-only by the browser and is not displayed on the page for the user. This tag contains the metadata, CSS, Javascript, character set and page title.
- BODY Tag – This tag comes after the tag and all information contained in the tag is displayed to the user on the web browser.
6. What is CSS and in what ways can it be applied to a web page?
This is one of the most important HTML and CSS interview questions. CSS stands Cascading Style Sheets and is used to add a graphical look to the elements of a web page. There are three ways of applying CSS to a webpage which is shared below:
- Inline CSS – The styling attribute(s) are directly added to the HTML tags.
- Style Block – Inside the section of your HTML document, you can define multiple style blocks, with each block containing CSS rules for different elements of the webpage.
- Link to CSS File – This is the most common practice of adding CSS styling to a webpage. In this method, you have to add a tag inside the HEAD section of your HTML document. Inside this link tag, the “ahref” attribute specifies the path from where the CSS file has to be accessed.
7. What is Javascript and what are the different ways of applying CSS styling to a webpage?
Javascript is a scripting language that allows you to add an interaction mechanism to various elements of a web page. It makes the HTML pages more dynamic and interactive. Similar to CSS, Javascript also can be added in 3 different ways to a web page – Inline, Script Block, and Link to a JS File. Javascript is an important topic for your preparation for HTML interview questions. Read more on Javascript to prepare well.
8. Inside a single web page, how can different sections be linked with each other?
In HTML, links are created by using the anchor tag and using the hash symbol for referencing. Active links can be defined by adding the “: active” selector to select and style the active links.
9. What are headings in HTML and how many types are there?
Headings in HTML are a set of tags from Heading 1 tag to Heading 6 tag where is the most important heading and has the biggest size of the six, while is the least important heading and has the smallest size of the six. Headings are used by search engines to index the content and structure of your web pages.
10. How are forms created in an HTML document?
Forms can be created by using the tag which can have certain types of elements to take custom user data such as input tag, Textarea tag, select tag, option tag, button tag, etc. Another answer that you can give for this question as a part of HTML interview questions, is that forms can also be designed by making use of the table tag. Forms are an important concept for interview questions on HTML and, as such, should be prepared well.
11. What is the difference between cell spacing and cell padding?
Cell Spacing refers is the gap between two cells of the same table.
Cell Padding is the gap between the cell border and the content inside that particular cell.
12. What are HTML lists?
This is one of the most commonly asked interview questions on HTML. Lists in HTML are elements that are used to display content in a list format. There are two types of HTML lists:
- Ordered lists are contained within the ordered list tags.
- Unordered lists are contained within the unordered (bulleted) list tags.
- Each list item inside either an ordered list or an unordered list is written between the list item tags.
As you have seen above, these are some of the most commonly asked HTML interview questions and if you can answer these questions correctly, your chances of getting the job will increase.
About the Author
Anshi Agarwal is a content developer at Receptix. She is a Computer Science Engineer and specialized loves to research & write content that is focused on Career, as well as, Job Search.