Detect native Symbol.iterator support.
Test if a value is a typed array.
Test if a value is a complex typed array.
Determine if an ndarray data type can be safely cast to, or is of the same kind as, another ndarray data type.
Test if a value is an Error object.
Test if a value is a number having a positive value.
Test if a value is an array-like object.
Test if two double-precision floating-point numbers are the same value.
Test whether two double-precision complex floating-point numbers are the same value.
Test if two arguments are the same value.
The assert module from Node.js, for the browser.
Test whether a value has in its prototype chain a specified constructor as a prototype property.
Assert that two Node-API typed array data types are equal.
Return a function which tests if every element in an array-like object passes a test condition.
Test if a value is array-like.
Test if a value is an empty array.
Test if a value is a BooleanArray.
Test if a value is null.
Detect native function name support.
Test if a value is an array-like object containing only nonnegative integers.
Detect native Symbol.hasInstance support.
Test if a value is a number having a nonnegative value.
Test if a value is an array-like object of numbers.
Test if a value is Node writable stream-like.