Isvalid Packages

Test if an input value is a supported array real-valued floating-point data type.

Test if an input value is a supported array signed integer data type.

Test if an input value is a supported array unsigned integer data type.

Standard assertion utilities.

Assertion utility tools.

Test if a value is PRNG-like.

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

Test whether a value is a property key.

Test if a value is a ragged nested array

Test if a value is a RangeError object.

Test if a value is a symbol.

Test if a value is a symmetric matrix.

Test if a value is a SyntaxError object.

Test if a value is a TypeError object.

Test if a value is a valid typed array length.

Test if a value is typed-array-like.

Test if a value is a Uint16Array.

Test if a value is a DataView.

Test if a value is a Date object.

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