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@stdlib/assert-is-array-like-object

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@stdlib/assert-is-array-like-object

Test if a value is an array-like object.

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About stdlib...

We believe in a future in which the web is a preferred environment for numerical computation. To help realize this future, we've built stdlib. stdlib is a standard library, with an emphasis on numerical and scientific computation, written in JavaScript (and C) for execution in browsers and in Node.js.

The library is fully decomposable, being architected in such a way that you can swap out and mix and match APIs and functionality to cater to your exact preferences and use cases.

When you use stdlib, you can be absolutely certain that you are using the most thorough, rigorous, well-written, studied, documented, tested, measured, and high-quality code out there.

To join us in bringing numerical computing to the web, get started by checking us out on GitHub, and please consider financially supporting stdlib. We greatly appreciate your continued support!

isArrayLikeObject

NPM version Build Status Coverage Status

Test if a value is an array-like object.

Installation

npm install @stdlib/assert-is-array-like-object

Usage

var isArrayLikeObject = require( '@stdlib/assert-is-array-like-object' );
isArrayLikeObject( value )

Tests if a value is an array-like object.

var bool = isArrayLikeObject( [] );
// returns true

bool = isArrayLikeObject( { 'length': 10 } );
// returns true

If provided a string, the function returns false.

var bool = isArrayLikeObject( 'beep' );
// returns false

Examples

var Float64Array = require( '@stdlib/array-float64' );
var isArrayLikeObject = require( '@stdlib/assert-is-array-like-object' );

var bool = isArrayLikeObject( { 'length': 10 } );
// returns true

bool = isArrayLikeObject( [] );
// returns true

bool = isArrayLikeObject( new Float64Array( 10 ) );
// returns true

bool = (function test() {
    return isArrayLikeObject( arguments );
})();
// returns true

bool = isArrayLikeObject( 'beep' );
// returns false

bool = isArrayLikeObject( null );
// returns false

bool = isArrayLikeObject( void 0 );
// returns false

bool = isArrayLikeObject( 5 );
// returns false

bool = isArrayLikeObject( true );
// returns false

bool = isArrayLikeObject( {} );
// returns false

bool = isArrayLikeObject( function noop() {} );
// returns false

See Also


Notice

This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.

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License

See LICENSE.

Copyright © 2016-2024. The Stdlib Authors.

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Package last updated on 28 Jul 2024

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