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well-known-symbols

Check whether a symbol is well-known.

Requires Node.js 10 or above. Note that not all Node.js versions support the same well-known symbols.

Installation

$ npm install --save well-known-symbols

Usage

const wellKnownSymbols = require('well-known-symbols')

wellKnownSymbols.isWellKnown(Symbol.iterator) // true
wellKnownSymbols.isWellKnown(Symbol()) // false

wellKnownSymbols.getLabel(Symbol.iterator) // 'Symbol.iterator'
wellKnownSymbols.getLabel(Symbol()) // undefined

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Check whether a symbol is well-known

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