1. Which of the following is correct about JavaScript?

2. Which of the following is the correct way for writing Java Script array?

3. Which statement creates a new object using the Person constructor?

4. What will be the output of the following code snippet?

function solve(arr, rotations){
 if(rotations == 0) return arr;
 for(let i = 0; i < rotations; i++){
   let element = arr.pop();
   arr.unshift(element);
 }
 return arr;
}
// solve([44, 1, 22, 111], 5);

5. Upon encountering empty statements, what does the Javascript Interpreter do?

6. Which JavaScript method is used to access an HTML element by id?

7. What will be the output of the following code snippet?

var a = "Scaler";
var result = a.substring(2, 4);
document.write(result);

8. Which function is used to serialize an object into a JSON string in Javascript?

9. Which one of the following is correct output for the following given JavaScript code if there is a p tag with id=demo ?
functionourFunction()
{
document.getElementById("demo").innerHTML=Math.abs(-7.25);
}

10. Which JavaScript method is used to write into an alert box?

11. How are windows, tabs, iframes, and frames treated according to client-side javascript?

12. Which function is used to clear the timer value?

13. What will be the result or type of error if p is not defined in the following JavaScript code snippet?

console.log(p)

14. How does forEach() method differ from a for statement?

15. Which property is used to define the HTML content to an HTML element with a specific id?