Return a string giving the literal bit representation of an unsigned 16-bit integer.
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> Return a string giving the literal bit representation of an [unsigned 16-bit integer][integer].
``bash`
npm install @stdlib/number-uint16-base-to-binary-string
`javascript`
var toBinaryString = require( '@stdlib/number-uint16-base-to-binary-string' );
#### toBinaryString( x )
Returns a string giving the literal bit representation of an [unsigned 16-bit integer][integer].
`javascript
var Uint16Array = require( '@stdlib/array-uint16' );
var a = new Uint16Array( [ 1, 4, 9 ] );
var str = toBinaryString( a[0] );
// returns '0000000000000001'
str = toBinaryString( a[1] );
// returns '0000000000000100'
str = toBinaryString( a[2] );
// returns '0000000000001001'
`
- Except for [typed arrays][typed-arrays], JavaScript does not provide native user support for [unsigned 16-bit integers][integer]. According to the [ECMAScript standard][ecma-262], number values correspond to [double-precision floating-point numbers][ieee754]. While this function is intended for [unsigned 16-bit integers][integer], the function will accept [floating-point][ieee754] values and represent the values as if they are [unsigned 16-bit integers][integer]. Accordingly, care should be taken to ensure that only nonnegative integer values less than 65536 (2^16) are provided.
`javascript
var str = toBinaryString( 1 );
// returns '0000000000000001'
str = toBinaryString( 4 );
// returns '0000000000000100'
str = toBinaryString( 9 );
// returns '0000000000001001'
str = toBinaryString( 65535 );
// returns '1111111111111111'
`
`javascript
var randu = require( '@stdlib/random-base-randu' );
var round = require( '@stdlib/math-base-special-round' );
var Uint16Array = require( '@stdlib/array-uint16' );
var MAX_UINT16 = require( '@stdlib/constants-uint16-max' );
var toBinaryString = require( '@stdlib/number-uint16-base-to-binary-string' );
var x;
var y;
var b;
var i;
// Generate random unsigned 16-bit integers...
x = new Uint16Array( 100 );
for ( i = 0; i < x.length; i++ ) {
x[ i ] = round( randu()*MAX_UINT16 );
}
// Convert unsigned 16-bit integers to literal bit representations...
for ( i = 0; i < x.length; i++ ) {
b = toBinaryString( x[i] );
y = parseInt( b, 2 );
console.log( 'x: %d, b: %s, y: %d', x[i], b, y );
}
`
*
- [@stdlib/number-float64/base/to-binary-string][@stdlib/number/float64/base/to-binary-string]: return a string giving the literal bit representation of a double-precision floating-point number.
*
This package is part of [stdlib][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][stdlib], see the main project [repository][stdlib].
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---
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[ecma-262]: http://www.ecma-international.org/ecma-262/5.1/#sec-4.3.19
[ieee754]: https://en.wikipedia.org/wiki/IEEE_754-1985
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