foop
Version:
interfaces that describe their intentions.
27 lines (25 loc) • 1.81 kB
JavaScript
var toS = require('./toS')
/**
* @desc checks if `value` is classified as a `Symbol` primitive or object.
* @since 4.0.0
* @memberOf is
*
* @param {*} value The value to check.
* @return {boolean} Returns `true` if `value` is a symbol, else `false`.
*
* @category Lang
*
* {@link https://nodejs.org/api/util.html#util_util_issymbol_object node-util-issymbol}
* @see {@link node-util-issymbol}
*
* @example
*
* isSymbol(Symbol.iterator)
* //=> true
*
* isSymbol('abc')
* //=> false
*
*/
module.exports = function (x) { return toS(x) === '[object Symbol]'; }
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