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HTML Notes
Structure, semantics, forms and accessibility for the modern web — written by CodingNow 2.0's mentors. Free to read, structured to actually help you learn.
HTML notes by CodingNow 2.0 cover 78 topics — from html home to html sse — each explained with short definitions, syntax and runnable code examples. They are 100% free, need no signup, and work as quick revision for college exams, HTML interviews and CodingNow 2.0's mentor-led HTML course in Pitampura, Delhi.
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HTML Tutorial
59 of 59 topics publishedHTML HOME
HTML is the standard markup language for Web pages.
HTML Introduction
HTML is the standard markup language for creating Web pages.
HTML Editors
A simple text editor is all you need to learn HTML.
HTML Basic
In this chapter we will show some basic HTML examples.
HTML Elements
An HTML element is defined by a start tag, some content, and an end tag.
HTML Attributes
HTML attributes provide additional information about HTML elements.
HTML Headings
HTML headings are titles or subtitles that you want to display on a webpage.
HTML Paragraphs
A paragraph always starts on a new line, and is usually a block of text.
HTML Styles
The HTML style attribute is used to add styles to an element, such as color, font, size, and more.
HTML Formatting
HTML contains several elements for defining text with a special meaning.
HTML Quotations
In this chapter we will go through the <blockquote , <q , <abbr , <address , <cite , and <bdo HTML elements.
HTML Comments
HTML comments are not displayed in the browser, but they can help document your HTML source code.
HTML Colors
HTML colors are specified with predefined color names, or with RGB, HEX, HSL, RGBA, or HSLA values.
RGB
An RGB color value represents RED, GREEN, and BLUE light sources.
HEX
A hexadecimal color is specified with: RRGGBB, where the RR (red), GG (green) and BB (blue) hexadecimal integers specify the components of the color.
HSL
HSL stands for hue, saturation, and lightness.
HTML CSS
CSS saves a lot of work. It can control the layout of multiple web pages all at once.
HTML Links
Links are found in nearly all web pages. Links allow users to click their way from page to page.
Link Colors
An HTML link is displayed in a different color depending on whether it has been visited, is unvisited, or is active.
Link Bookmarks
HTML links can be used to create bookmarks, so that readers can jump to specific parts of a web page.
HTML Images
Images can improve the design and the appearance of a web page.
Image Map
With HTML image maps, you can create clickable areas on an image.
Background Images
A background image can be specified for almost any HTML element.
The Picture Element
The HTML <picture element allows you to display different pictures for different devices or screen sizes.
HTML Project
Complete each step in the editor and watch the result as your page takes shape.
HTML Favicon
A favicon is a small image displayed next to the page title in the browser tab.
HTML Page Title
Every web page should have a page title to describe the meaning of the page.
HTML Tables
HTML tables allow web developers to arrange data into rows and columns.
Table Borders
HTML tables can have borders of different styles and shapes.
Table Sizes
HTML tables can have different sizes for each column, row or the entire table.
Table Headers
HTML tables can have headers for each column or row, or for many columns/rows.
Padding & Spacing
HTML tables can adjust the padding inside the cells, and also the space between the cells.
Colspan & Rowspan
HTML tables can have cells that span over multiple rows and/or columns.
Table Styling
If you add a background color on every other table row, you will get a nice zebra stripes effect.
Table Colgroup
The <colgroup element is used to style specific columns of a table.
HTML Lists
HTML lists allow web developers to group a set of related items in lists.
Unordered Lists
The HTML <ul tag defines an unordered (bulleted) list.
Ordered Lists
The HTML <ol tag defines an ordered list. An ordered list can be numerical or alphabetical.
Other Lists
A description list is a list of terms, with a description of each term.
HTML Block & Inline
Every HTML element has a default display value, depending on what type of element it is.
HTML Div
The <div element is used as a container for other HTML elements.
HTML Classes
The HTML class attribute is used to specify a class for an HTML element.
HTML Id
The HTML id attribute is used to specify a unique id for an HTML element.
HTML Buttons
Buttons let users interact with a web page. They can submit forms, run JavaScript, or trigger different actions when clicked.
HTML Iframes
An HTML iframe is used to display a web page within a web page.
HTML JavaScript
JavaScript makes HTML pages more dynamic and interactive.
HTML File Paths
A file path describes the location of a file in a web site's folder structure.
HTML Head
The HTML <head element is a container for the following elements: <title , <style , <meta , <link , <script , and <base .
HTML Layout
Websites often display content in multiple columns (like a magazine or a newspaper).
HTML Responsive
Responsive web design is about creating web pages that look good on all devices!
HTML Computercode
HTML contains several elements for defining user input and computer code.
HTML Semantics
Semantic elements = elements with a meaning.
HTML Style Guide
Consistent, clean, and tidy HTML code makes it easier for others to read and understand your code.
HTML Entities
Reserved characters in HTML must be replaced with entities:
HTML Symbols
Symbols or letters that are not present on your keyboard can be added to HTML using entities.
HTML Emojis
Emojis look like images, but they are not.
HTML Charsets
To display an HTML page correctly, a web browser must know which character set to use.
HTML URL Encode
A URL can be composed of words (e.g. w3schools.com), or an Internet Protocol (IP) address (e.g. 192.68.20.50).
HTML vs. XHTML
XHTML is a stricter, more XML-based version of HTML.
HTML Forms
6 of 6 topics publishedHTML Forms
An HTML form is used to collect user input. The user input is most often sent to a server for processing.
HTML Form Attributes
This chapter describes the different attributes for the HTML <form element.
HTML Form Elements
This chapter describes all the different HTML form elements.
HTML Input Types
This chapter describes the different types for the HTML <input element.
HTML Input Attributes
This chapter describes the different attributes for the HTML <input element.
Input Form Attributes
This chapter describes the different form attributes for the HTML <input element.
HTML Graphics
2 of 2 topics publishedHTML Media
5 of 5 topics publishedHTML Media
Multimedia on the web is sound, music, videos, movies, and animations.
HTML Video
The HTML <video element is used to show a video on a web page.
HTML Audio
The HTML <audio element is used to play an audio file on a web page.
HTML Plug-ins
Plug-ins are computer programs that extend the standard functionality of the browser.
HTML YouTube
The easiest way to play videos in HTML, is to use YouTube.
HTML APIs
6 of 6 topics publishedHTML Web APIs
- It can extend the functionality of the browser
HTML Geolocation
The Geolocation API is used to get the user's current location.
HTML Drag and Drop
The HTML Drag and Drop API enables an element to be dragged and dropped.
HTML Web Storage
HTML Web Storage API; better than cookies.
HTML Web Workers
A web worker is an external JavaScript file that runs in the background, without affecting the performance of the page.
HTML SSE
The Server-Sent Events (SSE) API enables pushing messages/updates from a server to the web page via HTTP connection.
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