Test if an object's own property is enumerable.

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

Return an array of an object's own symbol properties.

Detect native Symbol support.

Test if a value is an array.

Uniformly distributed pseudorandom numbers between 0 and 1.

Symbols.

Define (or modify) an object property.

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

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 ca

Minimal TAP output formatter.

Benchmark harness.