Skip to content; cmdref.net - Cheat Sheet and Example. Cmdref.net is command references/cheat sheets/examples for system engineers. El.innerHTML Sets or returns the HTML content of an element el.innerText Sets or returns the text content of the specified node el.id Sets or returns the value of the id attribute of an element el.removeChild(child) Removes a child node from an element CSE 154 Exam Cheat Sheet Spring 2019 - Version 06/01/19.
In this chapter we will show some basic HTML examples.
Don't worry if we use tags you have not learned about yet.
HTML Documents
All HTML documents must start with a document type declaration: <!DOCTYPE html>.
The HTML document itself begins with <html> and ends with </html>.
Basic Beginning Website Code Html
The visible part of the HTML document is between <body> and </body>.
Example
<html>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
The <!DOCTYPE> Declaration
The <!DOCTYPE> declaration represents the document type, and helps browsers to display web pages correctly.
It must only appear once, at the top of the page (before any HTML tags).
The <!DOCTYPE> declaration is not case sensitive.
The <!DOCTYPE> declaration for HTML5 is:
HTML Headings
HTML headings are defined with the <h1> to <h6> tags.
<h1> defines the most important heading. <h6> defines the least important heading:
Example
<h2>This is heading 2</h2>
<h3>This is heading 3</h3>
HTML Paragraphs
HTML paragraphs are defined with the <p> tag:
Example
<p>This is another paragraph.</p>
HTML Links
HTML links are defined with the <a> tag:
Beginner Html Cheat Sheet
Example
The link's destination is specified in the href attribute.
Attributes are used to provide additional information about HTML elements.
You will learn more about attributes in a later chapter.
HTML Images
HTML images are defined with the <img> tag.
The source file (src), alternative text (alt), width, and height are provided as attributes:
Example
How to View HTML Source?
List Of Html Commands
Have you ever seen a Web page and wondered 'Hey! How did they do that?'
Html5 Cheat Sheet
View HTML Source Code:
Right-click in an HTML page and select 'View Page Source' (in Chrome) or 'View Source' (in Edge), or similar in other browsers. This will open a window containing the HTML source code of the page.
Inspect an HTML Element:
Right-click on an element (or a blank area), and choose 'Inspect' or 'Inspect Element' to see what elements are made up of (you will see both the HTML and the CSS). You can also edit the HTML or CSS on-the-fly in the Elements or Styles panel that opens.