Question 1

What is a Unicode block?

Accepted Answer

A Unicode block is a contiguous range of code points in the Unicode standard, reserved for a specific script or set of related characters. Examples include Basic Latin (U+0020-007E), Greek (U+0370-03FF), and CJK Unified Ideographs (U+4E00-9FFF).

Question 2

What is a Unicode code point?

Accepted Answer

A code point is a unique number assigned to each character in the Unicode standard, written as U+XXXX (e.g., U+0041 for 'A'). There are over 143,000 characters in Unicode, covering virtually all the world's writing systems.

Question 3

How do I use a Unicode character in HTML?

Accepted Answer

Use HTML entities: &#65; or &#x41; for the character with code point U+0041 (letter A). Alternatively, UTF-8 encoded HTML can include the character directly in the source.

Question 4

Can I use these characters in CSS?

Accepted Answer

Yes! Use CSS unicode escapes in content: content: '\2665'; (♥). You can also use them in font-face declarations and pseudo-element content.

Question 5

What is the difference between Unicode and ASCII?

Accepted Answer

ASCII covers 128 characters (basic Latin letters, digits, punctuation). Unicode extends this to over 143,000 characters supporting all major world scripts, mathematical symbols, emoji, and more.

Unicode Category Explorer

Frequently Asked Questions

Comments & Feedback