JavaScript Mock Test 3

10%

Question 1 of 10

1. Which exception does the Iterators throw from their next() method when there are no more values to iterate, that work on finite collections?

Stop Iteration

Exit Iteration

Abort

Abort Iteration

Question 1 of 10

Question 2 of 10

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

<p id="demo"></p>
<script>
function myFunction() 
{
   var num = 5.56789;
   var n = num.toExponential();
   document.getElementById("demo").innerHTML = n;
}
</script>

Error

5.568e+0

5.57e+0

5.56789e+0

Question 2 of 10

Question 3 of 10

3. Rhino is originated by _______

Chrome

Microsoft

Apple

Mozilla

Question 3 of 10

Question 4 of 10

4. One of the main advantage of using src attribute is ____________

It restricts manipulation in the HTML file

It simplifies the HTML files

It makes the HTML file modular

It becomes self-cached

Question 4 of 10

Question 5 of 10

5. Which Rhino command quits Rhino environment?

terminate()

close()

quit()

exit()

Question 5 of 10

Question 6 of 10

6. Which of the following are global functions that are not part of core JavaScript?

exult();

eval()

spawn(f);

trim();

Question 6 of 10

Question 7 of 10

7. What is the default value of the type attribute?

html

text/css

text/javascript

xml

Question 7 of 10

Question 8 of 10

8. Which character in JavaScript code will be interpreted as XML markup?

Question 8 of 10

Question 9 of 10

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

var now = new Date();

now = new Date();

var now = new Date(current);

var now = Date();

Question 9 of 10

Question 10 of 10

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

<p id="demo"></p>
<script>
var numbers = [45, 4, 9, 16, 25];
var ans = numbers.reduce(myFunction);
document.getElementById("demo").innerHTML = sum;
function myFunction(total, value, index, array) 
{
  return total + value;
}
</script>

100

error

Question 10 of 10