Valid Packages

Test if a value is an array of strings.

Test if a value is a symbol.

Test if a value is a SharedArrayBuffer.

Test if a value is a Slice object.

Test if a value is a string in snake case.

Test if two single-precision floating-point numbers are the same value.

Test if two single-precision floating-point numbers are the same value.

Test if a value is an array-like object containing only nonpositive integers.

Test if a value is null.

Test if a value is an array-like object containing only null values.

Test if a value is a number.

Test if a value is an array-like object of numbers.

Test if a value is a numeric array.

Test if a value is an object.

Test if a value is an array-like object containing only objects.

Test if a value is a URIError object.

Assertion utility tools.

Return a function which tests if every element in an array passes a test condition.

Test if a value is an array-like object containing only NaN values.

Test if a value is a native function.