HTML

Getting Started

hello.html {.col-span-2 .row-span-2}

<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>HTML5 Boilerplate</title>
  </head>
  <body>
    <h1>Hello world, hello CheatSheets.zip!</h1>
  </body>
</html>

Or try it out in the jsfiddle

Comment

<!-- this is a comment -->

<!--
    Or you can comment out a
    large number of lines.
-->

Paragraph

<p>I'm from CheatSheets.zip</p>
<p>Share quick reference cheat sheet.</p>

See: The Paragraph element

HTML link

<a href="https://cheatsheets.zip">CheatSheets</a>
<a href="mailto:jack@abc.com">Email</a>
<a href="tel:+12345678">Call</a>
<a href="sms:+12345678&body=ha%20ha">Msg</a>


	`href`	The URL that the hyperlink points to
	`rel`	Relationship of the linked URL
	`target`	Link target location: `_self`, `_blank`, `_top`, `_parent`

{.left-text}

See: The <a> Attributes

Image Tag

<img loading="lazy" src="https://xxx.png" alt="Describe image here" width="400" height="400" />


	`src`	Required, Image location (URL \| Path)
	`alt`	Describe of the image
	`width`	Width of the image
	`height`	Height of the image
	`loading`	How the browser should load

{.left-text}

See: The Image Embed element

Text Formatting Tags

<b>Bold Text</b>
<strong>This text is important</strong>
<i>Italic Text</i>
<em>This text is emphasized</em>
<u>Underline Text</u>
<pre>Pre-formatted Text</pre>
<code>Source code</code>
<del>Deleted text</del>
<mark>Highlighted text (HTML5)</mark>
<ins>Inserted text</ins>
<sup>Makes text superscripted</sup>
<sub>Makes text subscripted</sub>
<small>Makes text smaller</small>
<kbd>Ctrl</kbd>
<blockquote>Text Block Quote</blockquote>

Headings

<h1>This is Heading 1</h1>
<h2>This is Heading 2</h2>
<h3>This is Heading 3</h3>
<h4>This is Heading 4</h4>
<h5>This is Heading 5</h5>
<h6>This is Heading 6</h6>

You should only have one h1 on your page

Section Divisions


`<div></div>`	Division or Section of Page Content
`<span></span>`	Section of text within other content
`<p></p>`	Paragraph of Text
`<br>`	Line Break
`<hr>`	Basic Horizontal Line

These are the tags used to divide your page up into sections

Inline Frame {.row-span-2}

<iframe
  title="New York"
  width="342"
  height="306"
  id="gmap_canvas"
  src="https://maps.google.com/maps?q=2880%20Broadway,%20New%20York&t=&z=13&ie=UTF8&iwloc=&output=embed"
  scrolling="no"
>
</iframe>

↓ Preview

See: The Inline Frame element

JavaScript in HTML

<script type="text/javascript">
  let text = "Hello CheatSheets.zip";
  alert(text);
</script>

External JavaScript

<body>
  ...

  <script src="app.js"></script>
</body>

CSS in HTML

<style type="text/css">
  h1 {
    color: purple;
  }
</style>

External stylesheet

<head>
  ...
  <link rel="stylesheet" href="style.css" />
</head>

HTML5 Tags

Document

<body>
  <header>
    <nav>...</nav>
  </header>
  <main>
    <h1>CheatSheets.zip</h1>
  </main>
  <footer>
    <p>©2023 CheatSheets.zip</p>
  </footer>
</body>

<header>
  <nav>
    <ul>
      <li><a href="#">Edit Page</a></li>
      <li><a href="#">Twitter</a></li>
      <li><a href="#">Facebook</a></li>
    </ul>
  </nav>
</header>

HTML5 Tags {.row-span-4}


article	Content that’s independent
aside	Secondary content
audio	Embeds a sound, or an audio stream
bdi	The Bidirectional Isolate element
canvas	Draw graphics via JavaScript
data	Machine readable content
datalist	A set of pre-defined options
details	Additional information
dialog	A dialog box or sub-window
embed	Embeds external application
figcaption	A caption or legend for a figure
figure	A figure illustrated
footer	Footer or least important
header	Masthead or important information
main	The main content of the document
mark	Text highlighted
meter	A scalar value within a known range
nav	A section of navigation links
output	The result of a calculation
picture	A container for multiple image sources
progress	The completion progress of a task
rp	Provides fall-back parenthesis
rt	Defines the pronunciation of character
ruby	Represents a ruby annotation
section	A group in a series of related content
source	Resources for the media elements
summary	A summary for the <details> element
template	Defines the fragments of HTML
time	A time or date
track	Text tracks for the media elements
video	Embeds video
wbr	A line break opportunity

HTML5 Video

<video controls="" width="100%">
  <source src="https://interactive-examples.mdn.mozilla.net/media/cc0-videos/flower.mp4" type="video/mp4" />
  Sorry, your browser doesn't support embedded videos.
</video>

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HTML5 Audio

<audio controls src="https://interactive-examples.mdn.mozilla.net/media/cc0-audio/t-rex-roar.mp3">
  Your browser does not support the audio element.
</audio>

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HTML5 Ruby

<ruby> 汉 <rp>(</rp><rt>hàn</rt><rp>)</rp> 字 <rp>(</rp><rt>zì</rt><rp>)</rp> </ruby>

↓ Preview

汉 (hàn) 字 (zì)

HTML5 kdi

<ul>
  <li>User <bdi>hrefs</bdi>: 60 points</li>
  <li>User <bdi>jdoe</bdi>: 80 points</li>
  <li>User <bdi>إيان</bdi>: 90 points</li>
</ul>

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User hrefs: 60 points
User jdoe: 80 points
User إيان: 90 points

HTML5 progress

<progress value="50" max="100"></progress>

HTML5 mark

<p>I Love <mark>CheatSheets.zip</mark></p>

I Love CheatSheets.zip

HTML Tables

Table Example {.row-span-2}

<table>
  <thead>
    <tr>
      <td>name</td>
      <td>age</td>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>Roberta</td>
      <td>39</td>
    </tr>
    <tr>
      <td>Oliver</td>
      <td>25</td>
    </tr>
  </tbody>
</table>

HTML Table Tags {.row-span-2}

Tag	Description
<table>	Defines a table
<th>	Defines a header cell in a table
<tr>	Defines a row in a table
<td>	Defines a cell in a table
<caption>	Defines a table caption
<colgroup>	Defines a group of columns
<col>	Defines a column within a table
<thead>	Groups the header content
<tbody>	Groups the body content
<tfoot>	Groups the footer content

<td> Attributes

Attribute	Description
`colspan`	Number of columns a cell should span
`headers`	One or more header cells a cell is related to
`rowspan`	Number of rows a cell should span

See: td#Attributes

<th> Attributes

Attribute	Description
`colspan`	Number of columns a cell should span
`headers`	One or more header cells a cell is related to
`rowspan`	Number of rows a cell should span
`abbr`	Description of the cell’s content
scope	The header element relates to

See: th#Attributes

HTML Lists

Unordered list

<ul>
  <li>I'm an item</li>
  <li>I'm another item</li>
  <li>I'm another item</li>
</ul>

See: The Unordered List element

Ordered list

<ol>
  <li>I'm the first item</li>
  <li>I'm the second item</li>
  <li>I'm the third item</li>
</ol>

See: The Ordered List element

Definition list

<dl>
  <dt>A Term</dt>
  <dd>Definition of a term</dd>
  <dt>Another Term</dt>
  <dd>Definition of another term</dd>
</dl>

See: The Description List element

HTML Forms

Form tags {.row-span-2}

<form method="POST" action="api/login">
  <label for="mail">Email: </label>
  <input type="email" id="mail" name="mail" />
  <br />
  <label for="pw">Password: </label>
  <input type="password" id="pw" name="pw" />
  <br />
  <input type="submit" value="Login" />
  <br />
  <input type="checkbox" id="ck" name="ck" />
  <label for="ck">Remember me</label>
</form>

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The HTML <form> element is used to collect and send information to an external source.

Form Attribute

Attribute	Description
`name`	Name of form for scripting
`action`	URL of form script
`method`	HTTP method, `POST` / `GET` (default)
`enctype`	Media type, See enctype
`onsubmit`	Runs when the form was submit
`onreset`	Runs when the form was reset

Label tags

<!-- Nested label -->
<label
  >Click me
  <input type="text" id="user" name="name" />
</label>

<!-- 'for' attribute -->
<label for="user">Click me</label>
<input id="user" type="text" name="name" />

for in a label references an input’s id attribute

Input tags

<label for="Name">Name:</label> <input type="text" name="Name" id="" />

↓ Preview

See: HTML input Tags

Textarea tags

<textarea rows="2" cols="30" name="address" id="address"></textarea>

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Textarea is a multiple-line text input control

Radio Buttons

<input type="radio" name="gender" id="m" />
<label for="m">Male</label>
<input type="radio" name="gender" id="f" />
<label for="f">Female</label>

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Radio buttons are used to let the user select exactly one

Checkboxes

<input type="checkbox" name="s" id="soc" />
<label for="soc">Soccer</label>
<input type="checkbox" name="s" id="bas" />
<label for="bas">Baseball</label>

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Checkboxes allows the user to select one or more

Select tags

<label for="city">City:</label>
<select name="city" id="city">
  <option value="1">Sydney</option>
  <option value="2">Melbourne</option>
  <option value="3">Cromwell</option>
</select>

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A select box is a dropdown list of options

Fieldset tags

<fieldset>
  <legend>Your favorite monster</legend>
  <input type="radio" id="kra" name="m" />
  <label for="kraken">Kraken</label><br />
  <input type="radio" id="sas" name="m" />
  <label for="sas">Sasquatch</label>
</fieldset>

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Datalist tags(HTML5)

<label for="b">Choose a browser: </label>
<input list="list" id="b" name="browser" />
<datalist id="list">
  <option value="Chrome"></option>
  <option value="Firefox"></option>
  <option value="Internet Explorer"></option>
  <option value="Opera"></option>
  <option value="Safari"></option>
  <option value="Microsoft Edge"></option>
</datalist>

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Submit and Reset Buttons

<form action="register.php" method="post">
  <label for="foo">Name:</label>
  <input type="text" name="name" id="foo" />
  <input type="submit" value="Submit" />
  <input type="reset" value="Reset" />
</form>

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Submit the data to server; Reset to default values

HTML input Tags {.cols-2}

Input Attributes {.row-span-2}

The input tag is an empty element, identifying the particular type of field information to obtain from a user.

<input type="text" name="?" value="?" minlength="6" required />

-
	`type="…"`	The type of data that is being input
	`value="…"`	Default value
	`name="…"`	Used to describe this data in the HTTP request
	`id="…"`	Unique identifier that other HTML elements
	`readonly`	Stops the user from modifying
	`disabled`	Stops any interaction
	`checked`	The radio or checkbox select or not
	`required`	Being compulsory, See required
	`placeholder="…"`	Adds a temporary, See ::placeholder
	`autocomplete="off"`	Disable auto completion
	`autocapitalize="none"`	Disable auto capitalization
	`inputmode="…"`	Display a specific keyboard, See inputmode
	`list="…"`	The id of an associated datalist
	`maxlength="…"`	Maximum number of characters
	`minlength="…"`	Minimum number of characters
	`min="…"`	Minimum numerical value on range & number
	`max="…"`	Maximum numerical value on range & number
	`step="…"`	How the number will increment in range & number
	`pattern="…"`	Specifies a Regular expression, See pattern
	`autofocus`	Be focused
	`spellcheck`	Perform spell checking
	`multiple`	Whether to allow multiple values
	`accept=""`	Expected file type in file upload controls

{.left-text}

Also see: Attributes for the <input> element

Input types


`type="checkbox"`
`type="radio"`
`type="file"`
`type="hidden"`
`type="text"`
`type="password"`
`type="image"`
`type="reset"`
`type="button"`
`type="submit"`

New Input Types in HTML5


`type="color"`
`type="date"`
`type="time"`
`type="month"`
`type="datetime-local"`
`type="week"`
`type="email"`
`type="tel"`
`type="url"`
`type="number"`
`type="search"`
`type="range"`

Input CSS selectors


`input:focus`	When its keyboard focused

See: Input pseudo classes

HTML meta Tags {.cols-2}

Meta tags {.row-span-3}

The meta tag describes meta data within an HTML document. It explains additional material about the HTML.

<meta charset="utf-8" />

<!-- title -->
<title>···</title>
<meta property="og:title" content="···" />
<meta name="twitter:title" content="···" />

<!-- url -->
<link rel="canonical" href="https://···" />
<meta property="og:url" content="https://···" />
<meta name="twitter:url" content="https://···" />

<!-- description -->
<meta name="description" content="···" />
<meta property="og:description" content="···" />
<meta name="twitter:description" content="···" />

<!-- image -->
<meta property="og:image" content="https://···" />
<meta name="twitter:image" content="https://···" />

<!-- ua -->
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />

<!-- viewport -->
<meta name="viewport" content="width=device-width" />
<meta name="viewport" content="width=1024" />

Open Graph

<meta property="og:type" content="website" />
<meta property="og:locale" content="en_CA" />
<meta property="og:title" content="HTML cheatsheet" />
<meta property="og:url" content="https://cheatsheets.zip/html" />
<meta property="og:image" content="https://xxx.com/image.jpg" />
<meta property="og:site_name" content="Name of your website" />
<meta property="og:description" content="Description of this page" />

Used by Facebook, Instagram, Pinterest, LinkedIn, etc.

Twitter Cards

<meta name="twitter:card" content="summary" />
<meta name="twitter:site" content="@FechinLi" />
<meta name="twitter:title" content="HTML cheatsheet" />
<meta name="twitter:url" content="https://cheatsheets.zip/html" />
<meta name="twitter:description" content="Description of this page" />
<meta name="twitter:image" content="https://xxx.com/image.jpg" />

See: Twitter Card Documentation

Geotagging

<meta name="ICBM" content="45.416667,-75.7" />
<meta name="geo.position" content="45.416667;-75.7" />
<meta name="geo.region" content="ca-on" />
<meta name="geo.placename" content="Ottawa" />

See: Geotagging

Also see

HTML 4.01 Specification (w3.org)

HTML

Getting Started

hello.html {.col-span-2 .row-span-2}

Comment

Paragraph

HTML link

Image Tag

Text Formatting Tags

Headings

Section Divisions

Inline Frame {.row-span-2}

↓ Preview

JavaScript in HTML

External JavaScript

CSS in HTML

External stylesheet

HTML5 Tags

Document

Header Navigation

HTML5 Tags {.row-span-4}

HTML5 Video

↓ Preview

HTML5 Audio

↓ Preview

HTML5 Ruby

↓ Preview

HTML5 kdi

↓ Preview

HTML5 progress

HTML5 mark

HTML Tables

Table Example {.row-span-2}

HTML Table Tags {.row-span-2}

<td> Attributes

<th> Attributes

HTML Lists

Unordered list

Ordered list

Definition list

HTML Forms

Form tags {.row-span-2}

↓ Preview

Form Attribute

Label tags

Input tags

↓ Preview

Textarea tags

↓ Preview

Radio Buttons

↓ Preview

Checkboxes

↓ Preview

Select tags

↓ Preview

Fieldset tags

↓ Preview

Datalist tags(HTML5)

↓ Preview

Submit and Reset Buttons

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HTML input Tags {.cols-2}

Input Attributes {.row-span-2}

Input types

New Input Types in HTML5

Input CSS selectors

HTML meta Tags {.cols-2}

Meta tags {.row-span-3}

Open Graph

Twitter Cards

Geotagging

Also see