Detect native Symbol.toPrimitive support.

Test if a value is a number.

Convert a double-precision floating-point number to the nearest half-precision floating-point number.

Insert supplied variable values into a format string.

Symbol which specifies a method for converting an object to a primitive value.

Define a non-enumerable read-only property.

Define a read-only property.

Load a manifest for compiling source files.

Format an error message for production.

Test if an object has a specified property.

Test if a double-precision floating-point numeric value is NaN.

Uniformly distributed pseudorandom numbers between 0 and 1.

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.