is-symbol (1.1.1)
Published 2026-02-24 13:58:41 +00:00 by atheaadmin
Installation
registry=npm install is-symbol@1.1.1"is-symbol": "1.1.1"About this package
is-symbol 
Is this an ES6 Symbol value?
Example
var isSymbol = require('is-symbol');
assert(!isSymbol(function () {}));
assert(!isSymbol(null));
assert(!isSymbol(function* () { yield 42; return Infinity; });
assert(isSymbol(Symbol.iterator));
assert(isSymbol(Symbol('foo')));
assert(isSymbol(Symbol.for('foo')));
assert(isSymbol(Object(Symbol('foo'))));
Tests
Simply clone the repo, npm install, and run npm test
Dependencies
Dependencies
| ID | Version |
|---|---|
| call-bound | ^1.0.2 |
| has-symbols | ^1.1.0 |
| safe-regex-test | ^1.1.0 |
Development Dependencies
| ID | Version |
|---|---|
| @arethetypeswrong/cli | ^0.17.1 |
| @ljharb/eslint-config | ^21.1.1 |
| @ljharb/tsconfig | ^0.2.2 |
| @types/for-each | ^0.3.3 |
| @types/object-inspect | ^1.13.0 |
| @types/tape | ^5.6.5 |
| auto-changelog | ^2.5.0 |
| encoding | ^0.1.13 |
| es-value-fixtures | ^1.5.0 |
| eslint | =8.8.0 |
| for-each | ^0.3.3 |
| has-tostringtag | ^1.0.2 |
| in-publish | ^2.0.1 |
| npmignore | ^0.3.1 |
| nyc | ^10.3.2 |
| object-inspect | ^1.13.3 |
| safe-publish-latest | ^2.0.0 |
| tape | ^5.9.0 |
| typescript | next |
Keywords
symbol
es6
is
Symbol