Free JS Institute JSA-41-01 Exam Questions

The shape object can be converted to JSON format using the built-in command:

What will be the value of result after the following code is executed?var str = "The quick brown fox";var result = str.replace(/[aeiou]/gi, '*'); 

What will appear on the console after executing the following code?let car = { model: "Tesla", year: 2022 }; let vehicle = {...car, color: "red"}; car.year = 2021; console.log(`${vehicle.model} ${vehicle.year} ${vehicle.color}`);

What is the value of property "y" in object "point2" after the following code is executed?let point = {x: 100, y: 200}; let point2 = {...point}; point2.y = 300; 

What is the output of the following code?const add = (a, b) => a + b; const double = n => add(n, n); console.log(double(3));