Sha256: 8f66046f6675234e889c68849feba58365461a5fd825e82ecf59bfbf725bc980
Contents?: true
Size: 666 Bytes
Versions: 11
Compression:
Stored size: 666 Bytes
Contents
var wellKnownSymbol = require('../internals/well-known-symbol');
var create = require('../internals/object-create');
var definePropertyModule = require('../internals/object-define-property');
var UNSCOPABLES = wellKnownSymbol('unscopables');
var ArrayPrototype = Array.prototype;
// Array.prototype[@@unscopables]
// https://tc39.es/ecma262/#sec-array.prototype-@@unscopables
if (ArrayPrototype[UNSCOPABLES] == undefined) {
definePropertyModule.f(ArrayPrototype, UNSCOPABLES, {
configurable: true,
value: create(null)
});
}
// add a key to Array.prototype[@@unscopables]
module.exports = function (key) {
ArrayPrototype[UNSCOPABLES][key] = true;
};
Version data entries
11 entries across 10 versions & 3 rubygems