Sha256: dbb6262e5026751faddbc3496fc750f266ec55e7d23afa2898a8287ae33c01b9
Contents?: true
Size: 580 Bytes
Versions: 7
Compression:
Stored size: 580 Bytes
Contents
var wellKnownSymbol = require('../internals/well-known-symbol');
var create = require('../internals/object-create');
var hide = require('../internals/hide');
var UNSCOPABLES = wellKnownSymbol('unscopables');
var ArrayPrototype = Array.prototype;
// Array.prototype[@@unscopables]
// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
if (ArrayPrototype[UNSCOPABLES] == undefined) {
hide(ArrayPrototype, UNSCOPABLES, create(null));
}
// add a key to Array.prototype[@@unscopables]
module.exports = function (key) {
ArrayPrototype[UNSCOPABLES][key] = true;
};
Version data entries
7 entries across 7 versions & 2 rubygems