<!-- @license Apache-2.0 Copyright (c) 2018 The Stdlib Authors. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. --> # Non-Enumerable Read-Write Accessor > [Define][@stdlib/utils/define-property] a non-enumerable **read-write** accessor. <section class="usage"> ## Usage <!-- eslint-disable id-length --> ```javascript var setNonEnumerableReadWriteAccessor = require( '@stdlib/utils/define-nonenumerable-read-write-accessor' ); ``` #### setNonEnumerableReadWriteAccessor( obj, prop, getter, setter ) [Defines][@stdlib/utils/define-property] a non-enumerable **read-write** accessor. <!-- eslint-disable id-length --> ```javascript var word = 'bar'; var obj = {}; function getter() { return word + ' foo'; } function setter( v ) { word = v; } setNonEnumerableReadWriteAccessor( obj, 'foo', getter, setter ); var v = obj.foo; // returns 'bar foo' obj.foo = 'beep'; v = obj.foo; // returns 'beep foo' ``` </section> <!-- /.usage --> <section class="notes"> ## Notes - Non-enumerable read-write accessors are **non-configurable**. </section> <!-- /.notes --> <section class="examples"> ## Examples <!-- eslint-disable id-length --> <!-- eslint no-undef: "error" --> ```javascript var setNonEnumerableReadWriteAccessor = require( '@stdlib/utils/define-nonenumerable-read-write-accessor' ); function Foo( name ) { if ( !(this instanceof Foo) ) { return new Foo( name ); } setNonEnumerableReadWriteAccessor( this, 'name', getName, setName ); return this; function getName() { return 'Hello, ' + name; } function setName( v ) { name = v; } } var foo = new Foo( 'Grace' ); console.log( foo.name ); foo.name = 'Ada'; console.log( foo.name ); ``` </section> <!-- /.examples --> <section class="links"> [@stdlib/utils/define-property]: https://www.npmjs.com/package/@stdlib/utils/tree/main/define-property </section> <!-- /.links -->