const.id

html-entity

[

[

[

HTML named character reference [ maps to U+005B.

Mapping

Named reference
[
Code point(s)
U+005B
Decimal
91
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+005B

ASCII

0x5B

Same character

Other entities

Entities that produce this code point

Source

Unicode
16.0.0
WHATWG
snapshot 2026-08-02