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@stdlib/assert-is-integer

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@stdlib/assert-is-integer

Test if a value is a number having an integer value.

  • 0.0.7
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decreased by-36.81%
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isInteger

NPM version Build Status Coverage Status dependencies

Test if a value is a number having an integer value.

Installation

npm install @stdlib/assert-is-integer

Usage

var isInteger = require( '@stdlib/assert-is-integer' );
isInteger( value )

Tests if a value is a number having an integer value.

var Number = require( '@stdlib/number-ctor' );

var bool = isInteger( 5.0 );
// returns true

bool = isInteger( new Number( 5.0 ) );
// returns true

bool = isInteger( -3.14 );
// returns false

bool = isInteger( null );
// returns false
isInteger.isPrimitive( value )

Tests if a value is a primitive number having an integer value.

var Number = require( '@stdlib/number-ctor' );

var bool = isInteger.isPrimitive( -3.0 );
// returns true

bool = isInteger.isPrimitive( new Number( -3.0 ) );
// returns false
isInteger.isObject( value )

Tests if a value is a Number object having an integer value.

var Number = require( '@stdlib/number-ctor' );

var bool = isInteger.isObject( 3.0 );
// returns false

bool = isInteger.isObject( new Number( 3.0 ) );
// returns true

Examples

var Number = require( '@stdlib/number-ctor' );
var isInteger = require( '@stdlib/assert-is-integer' );

var bool = isInteger( -5.0 );
// returns true

bool = isInteger( 0.0 );
// returns true

bool = isInteger( new Number( 5.0 ) );
// returns true

bool = isInteger( 5.256 );
// returns false

bool = isInteger( 1.0/0.0 );
// returns false

bool = isInteger( -1.0/0.0 );
// returns false

bool = isInteger( '5' );
// returns false

bool = isInteger( null );
// returns false

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 © 2016-2021. The Stdlib Authors.

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Package last updated on 23 Aug 2021

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