Exploring Edge Cases in HTML Structure

Understanding HTML Structure (Link)

Table of Contents

• Section 1
• Section 2
• Section 3
• Section 4
• Section 5
• Section 6

EDGE CASE: Paragraph with spaces and line breaks

This is a paragraph with leading and trailing spaces, multiple spaces, and tabs.
It also contains soft line breaks
in the middle.

EDGE CASE: Nested marks and inline elements

Here is a nested example and some underlined text, with strikethrough as well. Here is some superscript and subscript text along with a highlighted term. Emoji 😊 and a right-to-left snippet: שלום.

Mixed-direction text: هذا نص باللغة العربية and English text here.

EDGE CASE: Links

Check out this external link and this relative link. Here's a hash link: Go to hash. For email, click here or for a phone call, call me.

This link wraps inline marks and marks wrap a link.

• First item
  • Sub-item 1
    1. Nested ordered list
       • Another level
    2. Another ordered item
  • Another sub-item
• Second item with multiple paragraphs

This is a quote.
Another quote paragraph.

Quote list item

— Famous Author

• Item with anested block

Paragraph inside div.

Another paragraph.

Definition Term

Definition description.

---

EDGE CASE: Blockquote and lists

This is a blockquote containing a list:

List item 1
List item 2

EDGE CASE: Preformatted code

function test() {
console.log("Hello World!");
}



Card Title 1

This is a card description.

Card Title 2

This is another card description.

EDGE CASE: Tables

Table: Sample Table
Header 1 | Header 2
This containsboldtext.New line here. | This is a regular cell.

Table:
Rowspan Cell | Normal Cell
Another Cell

EDGE CASE: Images

Figure caption with a link and inline mark.

Your browser does not support the video tag.

Your browser does not support the audio tag.

EDGE CASE: Unsupported tags

More Info

This is some detailed information.

• Detail item 1
• Detail item 2

Important: This is a callout with nested formatting.

Styled text here.

EDGE CASE: Sanitization traps

This looks like HTML: <script>alert(1)</script>

A div with many classes.

.example { color: blue; }

Deeply nested text.