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The JavaScript Interview Handbook: 100+ Interview Questions

Solution Review: isPrototypeOf

Explore how to use the isPrototypeOf method in JavaScript to verify if one object exists in another's prototype chain. Understand the role of Object.create in setting up prototype relationships. This lesson helps you write and evaluate code that confirms prototype inheritance, strengthening your object-oriented programming skills in JavaScript.

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Solution

Javascript (babel-node)
function isPrototype(){
  var obj1 = {x: 1};
  var obj2 = Object.create(obj1)
  console.log(
	obj1.isPrototypeOf(obj2)       
);
} 
isPrototype()

Explanation

In this challenge, you had to write some code on line 3 so that the ...