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shams.js	fa7f2f00f4 init	11 月之前

has-symbols

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

Example

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.

Supported Symbol shams

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

Tests

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

README.md

has-symbols

Example

Supported Symbol shams

Tests