stdlib-js/utils-copy

Float64Array.

Test if an object has a specified property.

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

Double-precision floating-point positive infinity.

Insert supplied variable values into a format string.

Return the first index at which a given element can be found.

Return an array of an object's own enumerable property names.

Format an error message for production.

Uniformly distributed pseudorandom numbers between 0 and 1.

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

The semantic version parser used by npm.

tap-producing test harness for node and browsers

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale

Minimal TAP output formatter.

Benchmark harness.

Int16Array.

Float32Array.

Int32Array.

Int8Array.

Uint16Array.

Uint32Array.

Uint8Array.

Uint8ClampedArray.

Test if a value is an array.

Test if a value is a Buffer object.

Test if a value is an Error object.

Copy buffer data to a new Buffer instance.

Define (or modify) an object property.

Return the prototype of a provided object.

Return a property descriptor for an object's own property.

Create a regular expression from a regular expression string.

Return an array of an object's own enumerable and non-enumerable property names.

Detect native class support.

Determine a value's type.

Check if the runtime is Node.js.

Detect native Map support.

Boolean constructor.

Detect native Set support.

Buffer.

Allocate a buffer using an octet array.

π.

Number constructor.

Object containing the user environment.

Function which does nothing.

Flatten an object.

Standard library error code database.

Sample elements from an array-like object.

Merge and extend objects.

Spam Assassin public mail corpus.

Time a snippet.

Data for Charles Joseph Minard's cartographic depiction of Napoleon's Russian campaign of 1812.

The text of Moby Dick by Herman Melville.

The Carnegie Mellon Pronouncing Dictionary (CMUdict).

Online regression via stochastic gradient descent (SGD).

State of the Union addresses by U.S. Presidents.

Emoji codes and pictographs.

A list of US state capitals in alphabetical order according to state name.

US state capitals and names.

Return a JSON representation of an error object.

A list of English words rated for valence.

Emoji pictographs and codes.

US birth data from 2000 to 2014, as provided by the Social Security Administration.

Flatten an array.

A library for creating visualizations of undirected and directed graphs with the help of AI.

FiveThirtyEight reader responses to a food frequency questionnaire (FFQ).

Emoji.

US birth data from 1969 to 1988, as provided by the Center for Disease Control and Prevention's National Center for Health Statistics.

A random sample of 534 workers from the Current Population Survey (CPS) from 1985.

Labeled wireless sensor network data set collected from a multi-hop wireless sensor network deployment using TelosB motes.

Shuffle elements of an array-like object.

A list of US state two-letter abbreviations in alphabetical order according to state name.

Wage rates for U.S. workers that have not changed jobs within the year.

A list of English words rated for valence.

US state names and capitals.

Dataset for Nightingale's famous polar area diagram.

A dataset derived from information collected by the US Census Service concerning housing in Boston, Massachusetts (1978).

A list of US state names in alphabetical order.

Anscombe's quartet.