Test if a value is a BigInt.
Test if an input value is a supported ndarray real-valued data type.
Test if an input value is a supported built-in ndarray data type string.
Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Test if two arguments are the same value.
camelCase, kebab-case, PascalCase... a simple integration with nano package size. (SMALL footprint!)
Command-line interface.
Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
assert with status codes
ES2015-compliant shim for Object.is - differentiates between -0 and +0
Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Test if a position in a string marks the start of a UTF-16 surrogate pair.
Test if an input value is a supported ndarray real-valued floating-point data type.
Test if an input value is a supported ndarray unsigned integer data type.
Test if a value is an empty collection.
Test if an ndarray is read-only.
Test whether two values are equal data types.
Is this value negative zero? === will lie to you
Return a normal number `y` and exponent `exp` satisfying `x = y * 2^exp`.
Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Test whether an input value is the string representing row-major order.
Test if an input value is a supported ndarray signed integer data type.
ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.