Free Practice JS Institute JSE-40-01 Exam Questions 2025

Which of the following is not a loop instruction in JavaScript?

Analyze the following code:

let point = {x: 10, y: 20};

for (let f in point) {

    console.log(point[f]);

}

What will appear on the console as a result of its execution?

Analyze the following code:

let x = 10;

ocnsole.log(x);

What exception will be thrown as a result of its execution attempt?

If a variable stores the value false then the variable:

Analyze the following code:

let x = 10;

function test() {

    let x = 20;

}

test();

console.log(x);

What will be displayed in the console as a result of its execution?