Answer 1

Hello, SURAJ PATIL !
Unlike most other OO-languages ​​(Java, C#), the object system in JavaScript is based on prototypes, not classes. Classes that you know in languages ​​such as Java do not technically exist in JavaScript(JS).

The whole hierarchy of objects is built on chains - prototypes. Object.prototype is an object from which all other objects are "inherited". It contains methods such as toString() or valueOf().
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