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JavaScript Interview Questions Quiz Part 3

Posted inJavaScript Quiz, Quizzes
Javascript interview questions part 3

Are you preparing for a JavaScript interview?

Test your skills with this quiz and see how well you know the fundamentals of JavaScript. These 10 questions are designed to challenge both beginners and intermediate developers, helping you identify areas where you might need more practice.

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JavaScript Interview Questions Quiz Part 3

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1 / 10

Which of the following operators has the lowest precedence?

2 / 10

What will the following code output?

let x = 5;
let y = Object.freeze({x});
y.x = 10;
console.log(y.x);

3 / 10

What is the output of the following code?

(function(){
var a = b = 3;
})();
console.log(typeof b);

4 / 10

What is the result of null == undefined in JavaScript?

5 / 10

Which of the following correctly clones an object in JavaScript?

6 / 10

How does the 'this' keyword behave inside an arrow function in JavaScript?

7 / 10

How does the 'this' keyword behave inside an arrow function in JavaScript?

8 / 10

Which of the following methods will stop further event propagation in JavaScript?

9 / 10

What will be the output of the following code?

function test() {
var a = b = 5;
}
test();
console.log(typeof b);

10 / 10

Which of the following is not a primitive data type in JavaScript?

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