index.md

---

title: Boolean (Javascript)
slug: Glossary/Boolean/JavaScript
page-type: glossary-definition

---

A Boolean in Javascript is a {{Glossary("Primitive", "primitive value")}} that can be either true or false.

A {{jsxref("Boolean")}} object is a {{Glossary("wrapper")}} around a Boolean primitive.

See also

• The JavaScript global object

• JavaScript data types and data structures