Do all objects in JavaScript have prototypes?

In JavaScript, all objects indeed have prototypes. This concept is rooted in the prototype-based nature of JavaScript. When you create an object, it is linked to a prototype object from which it can inherit properties and methods. This allows for a shared behavior and structure among objects that can be extended or overridden as needed.

Every JavaScript object you create, whether it is a built-in object like an array or a user-defined object, inherently has a prototype object. This prototype is accessible through the __proto__ property, and it can be used to delegate property and method lookups. For instance, if a property or method is not found on the object itself, JavaScript will look for it in the prototype chain, continuing up until it reaches the top of the chain, which is typically Object.prototype.

Understanding this prototype chain is crucial for effective JavaScript programming, as it influences how objects interact and how inheritance is implemented. Therefore, the assertion that all objects in JavaScript have prototypes is accurate and fundamental to comprehending the language's object-oriented features.