const.id

html-entity

⇔

⇔

⇔

HTML named character reference ⇔ maps to U+21D4.

Mapping

Named reference
⇔
Code point(s)
U+21D4
Decimal
8660
Characters
⇔

Numeric character references

Named
Decimal
Hex

Usage

Prefer a named reference when the character must survive encoding mistakes or is awkward to type. Numeric references (⇔) are always valid HTML for the mapped code point(s).

Related

Unicode

U+21D4

Same character

Other entities

Entities that produce this code point

Source

Unicode
16.0.0
WHATWG
snapshot 2026-08-02