What does this instanceof error message mean?
node.js instanceof and cleartextStream Javascript, behavior of instanceof function
object instanceof Object is false ,why? How does instanceof work in JavaScript? JavaScript instanceof Why is Array instanceof Object? Understanding instanceof with JavaScript JavaScript - instanceof not doing what I expect JavaScript instanceof and moment.js Instanceof self How is it that (Object instanceof Function) and (Function instanceof Object) are both true? Why instanceof Map returns false? why `Element instanceof Node` return false What is the difference between `this instanceof String` and `"foo" instanceof String`? javascript prototype constructor and instanceof JavaScript: instanceof operator JavaScript - File is instance of File, but `instanceof File` is false testing objects with instanceof javascript instanceof get type from string name Why in JavaScript both "Object instanceof Function" and "Function instanceof Object" return true? Javascript !instanceof If Statement Why does instanceof return false in JavaScript? new instance is not instanceof itself JavaScript instanceof error new and instanceof Javascript instanceof in case of Function in JavaScript Implementation Of instanceOf function in JavaScript Why is Object.prototype instanceof Object false? What is the instanceof operator in JavaScript? JavaScript Object instanceof Function and Function instanceof Object