HTML Basics
HTML Documents
All HTML the documents must start with a document type declaration <!DOCTYPE html>.
The HTML document with <html> and ends with </html>.
The visible part of the HTML document is within <body> and </body>.
Example
<!DOCTYPE html>
<html>
<body>
<h1>Heading of the page</h1>
<p>Paragraph of the page.</p>
</body>
</html>
The <!DOCTYPE> Declaration
The <!DOCTYPE> declaration represents the document type.
Note: The <!DOCTYPE> declaration is not case sensitive.
The <!DOCTYPE> declaration for HTML5 is:
<!DOCTYPE html>
HTML Headings
The <h1> to <h6> HTML elements represent six levels of headings. <h1> is the highest level and <h6> is the lowest.
Example
<h1>Hello World!</h1>
<h2>Hello World!</h2>
<h3>Hello World!</h3>
<h4>Hello World!</h4>
<h5>Hello World!</h5>
<h6>Hello World!</h6>
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HTML Paragraphs
HTML <p> element defines a paragraphs for the document.
Example
<p>Paragraph of the page.</p>
HTML Links
HTML <a> element defines a links(hyperlink) for the document.
The href attribute is used to specify destination for the link.
Example
<a href="https://www.google.com" >Visit Google.com</a>
HTML Images
HTML <img> element defines a images for the document.
Example
<img src="flowers.jpg" alt="Alternative text" width="300" height="150">