1. What will be the output of the following JavaScript code?

function printArray(a) 
{
     var len = a.length, i = 0;
     if (len == 0)
        console.log("Empty Array");
     else 
     {
// do-while loop in javascript
         do 
         {
             console.log(a[i]);
         } while (++i < len);
     }
}

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

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

3. What will be the output of the following JavaScript code?

const curr = new Date();
 document.write(curr);

4. What will be the output of the following JavaScript code with a p tag with id=demo?

function myFunction() 
{
    document.getElementById("demo").innerHTML = Math.atan2(8, 4);
}

5. Which collection object allows unique value to be inserted only once?

6. Which of the following is correct about JavaScript?

7. 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);

8. What is the code for getting the current time?

9.  Which of the following can be implemented using animation?

10. JavaScript code can be written in ____.

11. Which is the correct syntax for the function definition?

12. Which JavaScript method is used to write HTML output?

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

14. What will be the output of the following JavaScript code?

  let cars = ['Honda', 'Hyundai'];
    cars.push('Mahindra');
    document.write(typeof cars + " " + cars); 

15. What does the ‘toLocateString()’ method do in JS?