1. Which of the following function of the String object returns the character in the string starting at the specified position via the specified number of characters?

2. In JavaScript, what is a block of statement?

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

4. Which of the following is a valid function to truncate number of full minutes between two time stamps?

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

var arr = [7, 5, 9, 1];  
var min = Math.min.apply(null, arr);  
document.writeln(min);

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

var a = 1;  
var b = 0;  
while (a <= 3)  
{  
   a++;  
   b += a * 2;  
   print(b);
}

7. What is the result in the console of running the code shown?
var start = 1;
function setEnd() {
var end = 10;
}
setEnd();
console.log(end);

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

const arr = [10, 20, 30];
 let result = 0;
 
 arr.forEach(myFunction);
 
 document.write("Result: " , result)
 function myFunction(value, index, array) {
   result += value; 
 }

9. What is the central concept of JavaScript memory management?

10. 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);
}

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

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

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

13. Which of the following values is not a Boolean false?

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

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