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is-well-known-symbol <sup>Version Badge</sup>

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Is this value a Symbol stored in the global cross-realm Symbol registry?

Example

var isWellKnownSymbol = require('is-well-known-symbol');

var assert = require('assert');

assert(!isWellKnownSymbol(null));
assert(!isWellKnownSymbol(undefined));
assert(!isWellKnownSymbol('foo'));
assert(!isWellKnownSymbol(Symbol()));
assert(!isWellKnownSymbol(Symbol.for('yogurt')));
assert(isWellKnownSymbol(Symbol.iterator));

Tests

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