HTML Entity for Uppercase J (J)
What You'll Learn
How to display the uppercase letter J in HTML using entity methods. The letter J is the tenth letter of the Latin alphabet (U+004A) and is part of the Basic Latin block. In most cases you can type it directly; numeric or CSS entities are useful when escaping, generating content via CSS, or ensuring correct encoding.
This character can be displayed using the character itself, a hexadecimal reference, a decimal reference, or a CSS escape in the content property. There is no named HTML entity like &J; for this letter.
⚡ Quick Reference — Uppercase J Entity
U+004ABasic Latin (ASCII)
JHexadecimal reference
JDecimal reference
JType directly (no named entity)
Name Value
──────────── ──────────
Unicode U+004A
Hex code J
HTML code J
Named entity (none — use J directly)
CSS code \4A
Meaning Latin capital letter J
Related U+006A = j (lowercase)
Block Basic Latin (U+0000–U+007F)Complete HTML Example
A simple example showing the uppercase letter J using hexadecimal code, decimal HTML code, the character directly, and a CSS content escape:
<!DOCTYPE html>
<html>
<head>
<style>
#point:after{
content: "\4A";
}
</style>
</head>
<body>
<p>Symbol (hex): J</p>
<p>Symbol (decimal): J</p>
<p>Symbol (direct): J</p>
<p id="point">Symbol (CSS): </p>
</body>
</html>🌐 Browser Support
The uppercase letter J (U+004A) is universally supported in all browsers and platforms as part of Basic Latin:
👀 Live Preview
See the uppercase letter J in common text contexts:
🧠 How It Works
Hexadecimal Code
J uses the Unicode hexadecimal value 4A to display the letter. The x prefix indicates hexadecimal format.
Decimal HTML Code
J uses the decimal Unicode value 74 to display the same character. This is the ASCII/Unicode decimal for J.
Direct Character
Type J directly in HTML. There is no named entity like &J;; the character itself is the standard approach in body text.
CSS Entity
\4A is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.
Same visual result
All methods produce the glyph: J. Unicode U+004A sits in Basic Latin. The lowercase form is U+006A (j). In normal text, typing J is preferred.
Use Cases
The uppercase letter J (or its entity forms) is commonly used in:
Standard character in paragraphs, articles, and any Latin-script text. Usually typed directly.
Use in ARIA labels, alt text, placeholders, and attribute values; numeric entities help when escaping is needed.
Reference in font specs, CSS content, or generated text via CSS entities.
Teaching the alphabet, phonics, or character encoding; entity codes clarify the exact character.
When building HTML or strings programmatically, numeric entities ensure correct output.
Part of Basic Latin used across languages; entities can help in legacy encoding contexts.
CSS content or list-style may use the character via entity for styling.
💡 Best Practices
Do
- Type
Jdirectly in body content; use entities only when necessary - Serve pages as UTF-8 so Basic Latin characters render without entities
- Use numeric references (
JorJ) when escaping is required - Use
\4Ain CSScontentwhen generating the letter via pseudo-elements - Remember uppercase J is U+004A and lowercase j is U+006A when case matters
Don’t
- Overuse numeric entities for
Jin normal readable text - Expect a named HTML entity like
&J;—none exists for this letter - Put CSS escape
\4Ain HTML text nodes - Use padded Unicode notation like U+0004A—the correct value is
U+004A - Use
\0004Ain CSS—the correct escape is\4A
Key Takeaways
Type J directly, or use hex/decimal references
J JFor CSS stylesheets, use the escape in the content property
\4AUnicode U+004A — LATIN CAPITAL LETTER J
Tenth letter of the Latin alphabet (Basic Latin block)
Previous: Uppercase IJ (IJ) Next: Uppercase J Circumflex
❓ Frequently Asked Questions
J directly, or use J (hex), J (decimal), or \4A in CSS content. For most content, typing J is standard; use numeric or CSS entities when escaping or generating via CSS.U+004A (LATIN CAPITAL LETTER J). Basic Latin block. Hex 4A, decimal 74. It is the tenth letter of the Latin alphabet.::before/::after, ensuring encoding in legacy systems, or building strings programmatically. In normal body text, typing J is preferred.J or J) is used in HTML content or attributes. The CSS entity (\4A) is used in CSS, e.g. in the content property of pseudo-elements. Both produce J but in different contexts.&J; for the letter J. Use the character J directly, or numeric references J (decimal) or J (hex). Named entities are mainly for characters with special meaning (e.g. <, &).Explore More HTML Entities!
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