$ gnpm install has-symbols
Determine if the JS environment has Symbol support. Supports spec, or shams.
var hasSymbols = require('has-symbols');
hasSymbols() === true; // if the environment has native Symbol support. Not polyfillable, not forgeable.
var hasSymbolsKinda = require('has-symbols/shams');
hasSymbolsKinda() === true; // if the environment has a Symbol sham that mostly follows the spec.
Simply clone the repo, npm install
, and run npm test
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