What is the HTML entity for Cjk Ideograph-5509?

The HTML entity for Cjk Ideograph-5509 is 唉 (decimal: 唉, hex: 唉).

What is the Unicode codepoint for Cjk Ideograph-5509?

Cjk Ideograph-5509 has the Unicode codepoint U+5509 (decimal: 21769).

What is the UTF-8 encoding of Cjk Ideograph-5509?

The UTF-8 encoding of Cjk Ideograph-5509 is E5 94 89.

How do I use Cjk Ideograph-5509 in JavaScript?

In JavaScript, use the escape sequence \u5509 or paste the character directly in a string.

What is the CSS escape for Cjk Ideograph-5509?

The CSS escape for Cjk Ideograph-5509 is \5509. Use it in CSS content properties or selectors.

How do I write Cjk Ideograph-5509 in Python?

In Python, use the escape sequence \u5509 inside a string literal.

What is the URL encoding for Cjk Ideograph-5509?

The percent-encoded (URL encoded) form of Cjk Ideograph-5509 is %E5%94%89.

What Unicode block does Cjk Ideograph-5509 belong to?

Cjk Ideograph-5509 belongs to the CJK Unified Ideographs Unicode block.

唉

Cjk Ideograph-5509

U+5509

BMP Unicode 1.1

Character 唉

Decimal 唉

Hex 唉

Classification

Unicode properties assigned to this character by the Unicode Consortium. The codepoint is its unique numeric identifier. Category, block, and script determine how text systems render and process it.

Codepoint: U+5509
Decimal: 21769
Plane: BMP — Basic Multilingual Plane
Category: Other Letter (Lo)
Block: CJK Unified Ideographs
Script: Han
Bidi class: L Left-to-Right
East Asian Width: W Wide
Properties: Alphabetic ID Start ID Continue

Encodings & Escape Sequences

Every Unicode character can be represented in multiple ways depending on context. HTML entities let you embed it safely in web pages. UTF-8 bytes are what gets stored on disk and sent over the network. Escape sequences let you reference it in source code without pasting the raw glyph. All formats below refer to the same character — Cjk Ideograph-5509.

Click the copy icon to copy any value.

Format	Value
HTML Decimal	`唉` Decimal numeric character reference (&#decimal;).
HTML Hex	`唉` Hexadecimal numeric character reference (&#xHex;).
UTF-8 Hex Bytes	`E5 94 89` UTF-8 encoding as hex byte values. Most common on the web.
UTF-16 Hex Bytes	`55 09` Used internally by JavaScript, Java, and Windows.
UTF-32 Hex	`00005509` Fixed-width: one codepoint = 4 bytes.
CSS Escape	`\5509` Use in CSS content property: content: "\XXXX"
JavaScript Escape	`\u5509` Use in JS strings: "\uXXXX" or template literals.
Python Escape	`\u5509` Use in Python strings: "\uXXXX" or "\UXXXXXXXX".
URL Encoded	`%E5%94%89` Percent-encoded for use in URLs.