<!-- @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. --> # isSameValueZero > Test if two arguments are the same value. <section class="usage"> ## Usage ```javascript var isSameValueZero = require( '@stdlib/assert/is-same-value-zero' ); ``` #### isSameValueZero( a, b ) Tests if two arguments `a` and `b` are the same value. ```javascript var bool = isSameValueZero( false, false ); // returns true bool = isSameValueZero( '', '' ); // returns true bool = isSameValueZero( {}, {} ); // returns false ``` In contrast to the strict equality operator `===`, the function treats `NaNs` as the same value. <!-- eslint-disable use-isnan --> ```javascript var bool = ( NaN === NaN ); // returns false bool = isSameValueZero( NaN, NaN ); // returns true ``` In contrast to the [SameValue Algorithm][@stdlib/assert/is-same-value], the function does **not** distinguish between `+0` and `-0`. <!-- eslint-disable no-compare-neg-zero --> ```javascript var bool = ( 0.0 === -0.0 ); // returns true bool = isSameValueZero( 0.0, -0.0 ); // returns true bool = isSameValueZero( -0.0, 0.0 ); // returns true ``` </section> <!-- /.usage --> <section class="notes"> </section> <!-- /.notes --> <section class="examples"> ## Examples <!-- eslint no-undef: "error" --> ```javascript var isSameValueZero = require( '@stdlib/assert/is-same-value-zero' ); var bool = isSameValueZero( true, true ); // returns true bool = isSameValueZero( true, false ); // returns false bool = isSameValueZero( 'beep', 'beep' ); // returns true bool = isSameValueZero( 3.14, 3.14 ); // returns true bool = isSameValueZero( null, null ); // returns true bool = isSameValueZero( 0.0, 0.0 ); // returns true bool = isSameValueZero( -0.0, 0.0 ); // returns true bool = isSameValueZero( NaN, NaN ); // returns true bool = isSameValueZero( {}, {} ); // returns false bool = isSameValueZero( [], [] ); // returns false bool = isSameValueZero( isSameValueZero, isSameValueZero ); // returns true ``` </section> <!-- /.examples --> <section class="links"> [@stdlib/assert/is-same-value]: https://www.npmjs.com/package/@stdlib/assert/tree/main/is-same-value </section> <!-- /.links -->