Nov 02, 2022

Frequently Asked Questions in Introduction to HTML+CSS Programming

HTML stands for Hypertext Markup Language, it is a standard text format language that was used to develop web pages released in 1993 HTML is a language interpreted by the browser that tells the browser what to display and how to display it.

HTML is an important language to know if anyone wants to work in the field of web development [web designers, web developers].

And HTML alone is not enough for a web developer because programming in HTML only defines the data structure that will be displayed on the browser in a web page, to make it visually appealing and to make it efficient we will need to use CSS and Javascript respectively.

In this article, we will answer some common questions in an introduction to HTML + CSS programming.

Top Frequently Asked Questions in Introduction to HTML + CSS Programming:

Are HTML tags and elements the same?

No, HTML elements are identified by the start tag, and may contain some content and a closing tag.

For example, <h1> Heading 1 </h1> is an HTML element but only <h1> is the starting tag and </h1> is the closing tag.

What are tags and attributes in HTML?

Tags are the basic component of HTML that defines how content is organized/formatted, while attributes are used with HTML tags to define element properties. For example, <p align = “center”> interview questions </ p> , in this “alignment” is the attribute we will use to align the paragraph to appear in the center of the presentation.

What are empty elements in HTML?

HTML elements that do not have closing tags or that do not need to be closed are void elements, for example, <br /> , <img /> , <hr /> , etc.

What is the advantage of collapsing whitespace when programming in HTML?

In HTML, an empty sequence of whitespace characters is treated as a single space character, because the browser collapses multiple spaces into a single space character and this helps the developer to indent lines of text without worrying about multiple spaces and maintain readability and understanding of HTML codes .

What are HTML entities?

In HTML, some characters like "<", ">", "/" etc are reserved, to use these characters in web page we need to use character entities which are called HTML entities. Here is some mapping between the reserved character and its entity nature to use.

What is the 'class' attribute in HTML?

The class attribute is used to specify the class name of an HTML element. Multiple elements in HTML can have the same class value, too, and it is primarily used to associate styles written in a style sheet with HTML elements.

 What is the difference between the 'id' attribute and the 'class' attribute of HTML elements?

Multiple elements in HTML programming can have the same class value, while an element's ID attribute value cannot be bound to another HTML element.

 Define multipart form data?

The data of the multipart form is one of the values ​​of the enctype attribute. It is used to send file data to the server side for processing. Other valid values ​​for the enctype attribute are text/plain and application/x-www-form-urlencoded.

Description of the HTML layout structure.

Each web page contains different components to display the intended content and a specific user interface. But there are still a few things that are modeled and are a universally accepted way of structuring a web page with HTML programming, such as:

<header> : Stores the starting information about the web page.

<footer>: represents the last section of the page.

<nav> : The navigation menu of the HTML page.

<article>: is a set of information.

<section> : It is used inside the article block to define the basic structure of the page.

<aside>: the content of the page sidebar