Checks if the given argument is a function.
typeof
to check if a value is classified as a function primitive.const isFunction = val => typeof val === 'function';
isFunction('x'); // false
isFunction(x => x); // true
JavaScript, Type
Checks if the given argument is an async
function.
JavaScript, Type
Checks if the given argument is a generator function.
JavaScript, Type
Checks if the given argument is a string. Only works for string primitives.