"The built-in option to check an object’s ‘type’ is instanceof, which looks at the function an object was created with." Nitpick, because I happen to be teaching myself the Javascript class system right now: instanceof…
"The built-in option to check an object’s ‘type’ is instanceof, which looks at the function an object was created with." Nitpick, because I happen to be teaching myself the Javascript class system right now: instanceof…