Element Of HTML entity ∈

∈ is the HTML entity for Element Of ∈ (U+2208). Copy the decimal ∈ and hex ∈ codes plus CSS, JavaScript, Python and URL escapes.

Entity
∈
Also written
∈ ∈ ∈
Code point
U+2208
Unicode name
ELEMENT OF
Block
Mathematical Operators
Category
Math symbol (Sm)
Since
Unicode 1.1
Defined in
HTML 4.01 and HTML5

Codes to copy

HTML named∈Works in HTML; in XML only & < > " ' are predefined.
HTML decimal∈Works in HTML and XML.
HTML hex∈Works in HTML and XML.
CSScontent: "\2208";In a stylesheet, for ::before and ::after.
JavaScript"\u2208"Also valid in JSON.
Python"\u2208"Python 3 string literal.
Python by name"\N{ELEMENT OF}"Readable alternative using the Unicode name.
URL%E2%88%88Percent-encoded UTF-8 bytes, for a path or query value.
UTF-8 bytesE2 88 883 bytes.
UTF-1622081 code unit, which is what JavaScript length counts.

When to use it

Element of, as in x ∈ A. Its negation is ∉, and the reversed form 'contains as member' is ∋.

The name dates from HTML 4, so it works in every browser and in old email clients.

More maths operators

All maths operators · Every HTML entity · Encode or decode text

Source: the WHATWG HTML Standard list of named character references and the Unicode Character Database (Unicode 18.0).