Test if a value is a URI.

Test if a value is an ndarray-like object having a specified data type.

Test whether a value is a localhost hostname.

Test if a value is a 2-dimensional ndarray-like object.

Test whether a value is an absolute URI.

Test whether a value is an absolute HTTP(S) URI.

Test if a value is a valid array length.

Test if a value is a parseable JSON string.

Test if a value is a Slice object.

Standard assertion utilities.

Test if a value is a SyntaxError object.

Test if a value is an EvalError object.

Test if a value is a RangeError object.

Test if a value is a blank string.

Test if a value is a ReferenceError object.

Test if a value is an Error object.

Test if a value is PRNG-like.

Test whether a character belongs to the ASCII character set and whether this is true for all characters in a provided string.

Test if a value is a duration string.

A JavaScript Functions For Date, Time, Delay, Validation And Function-Execution.