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isArrayLength
Test if a value is a valid array length.
Usage
var isArrayLength = require( '@stdlib/assert/is-array-length' );
isArrayLength( value )
Tests if a value is a valid array
length.
var bool = isArrayLength( 5 );
// returns true
bool = isArrayLength( -1 );
// returns false
bool = isArrayLength( 2.0e200 );
// returns false
bool = isArrayLength( 3.14 );
// returns false
bool = isArrayLength( null );
// returns false
Notes
- A valid
length
property for anArray
is any integer value on the interval[0, 2^32-1]
.
Examples
var isArrayLength = require( '@stdlib/assert/is-array-length' );
var bool = isArrayLength( 5 );
// returns true
bool = isArrayLength( 0 );
// returns true
bool = isArrayLength( 2.0e200 );
// returns false
bool = isArrayLength( 5.256 );
// returns false
bool = isArrayLength( 1.0/0.0 );
// returns false
bool = isArrayLength( -1.0/0.0 );
// returns false
bool = isArrayLength( NaN );
// returns false
bool = isArrayLength( '5' );
// returns false
bool = isArrayLength( null );
// returns false