has-symbols

Determine if the JS environment has Symbol support. Supports spec, or shams.

Example

1var hasSymbols = require('has-symbols');
2
3hasSymbols() === true; // if the environment has native Symbol support. Not polyfillable, not forgeable.
4
5var hasSymbolsKinda = require('has-symbols/shams');
6hasSymbolsKinda() === true; // if the environment has a Symbol sham that mostly follows the spec.

Supported Symbol shams

• get-own-property-symbols npm | github
• core-js npm | github

Tests

Simply clone the repo, npm install, and run npm test