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Return a string giving the literal bit representation of an unsigned 32-bit integer.
To use in Observable,
toBinaryString = require( 'https://cdn.jsdelivr.net/gh/stdlib-js/number-uint32-base-to-binary-string@umd/browser.js' )
To vendor stdlib functionality and avoid installing dependency trees for Node.js, you can use the UMD server build:
var toBinaryString = require( 'path/to/vendor/umd/number-uint32-base-to-binary-string/index.js' )
To include the bundle in a webpage,
<script type="text/javascript" src="https://cdn.jsdelivr.net/gh/stdlib-js/number-uint32-base-to-binary-string@umd/browser.js"></script>
If no recognized module system is present, access bundle contents via the global scope:
<script type="text/javascript">
(function () {
window.toBinaryString;
})();
</script>
Returns a string
giving the literal bit representation of an unsigned 32-bit integer.
var Uint32Array = require( '@stdlib/array-uint32' );
var a = new Uint32Array( [ 1, 4, 9 ] );
var str = toBinaryString( a[0] );
// returns '00000000000000000000000000000001'
str = toBinaryString( a[1] );
// returns '00000000000000000000000000000100'
str = toBinaryString( a[2] );
// returns '00000000000000000000000000001001'
-
Except for typed arrays, JavaScript does not provide native user support for unsigned 32-bit integers. According to the ECMAScript standard,
number
values correspond to double-precision floating-point numbers. While this function is intended for unsigned 32-bit integers, the function will accept floating-point values and represent the values as if they are unsigned 32-bit integers. Accordingly, care should be taken to ensure that only nonnegative integer values less than4,294,967,296
(2^32
) are provided.var str = toBinaryString( 1 ); // returns '00000000000000000000000000000001' str = toBinaryString( 4 ); // returns '00000000000000000000000000000100' str = toBinaryString( 9 ); // returns '00000000000000000000000000001001' str = toBinaryString( 4294967295 ); // returns '11111111111111111111111111111111'
<!DOCTYPE html>
<html lang="en">
<body>
<script type="text/javascript" src="https://cdn.jsdelivr.net/gh/stdlib-js/random-base-randu@umd/browser.js"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/gh/stdlib-js/math-base-special-round@umd/browser.js"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/gh/stdlib-js/array-uint32@umd/browser.js"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/gh/stdlib-js/number-uint32-base-to-binary-string@umd/browser.js"></script>
<script type="text/javascript">
(function () {
var x;
var y;
var b;
var i;
// Generate random unsigned 32-bit integers...
x = new Uint32Array( 100 );
for ( i = 0; i < x.length; i++ ) {
x[ i ] = round( randu()*1.0e5 );
}
// Convert unsigned 32-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 );
}
})();
</script>
</body>
</html>
@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, 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.
See LICENSE.
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