JavaScript Mock Test 6

10%

Question 1 of 10

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

<p id="demo"></p>
<script>
function myFunction() 
{
   var str = "have best";
   var patt = new RegExp("es");
   var res = patt.test(str);
   document.getElementById("demo").innerHTML = res;
}
</script>

true

false

error

undefined

Question 1 of 10

Question 2 of 10

2. When does WebPageTest become necessary?

To run QA testing

To run media testing

To run any common website

To run private websites

Question 2 of 10

Question 3 of 10

3. Which of the following is mandatory to run before running YSlow?

Mozilla

Both WebPageTest and FireBug

FireBug

WebPageTest

Question 3 of 10

Question 4 of 10

4. What is the alternate way to search in an IndexedDB API?

Values

Key

Indexes

Address

Question 4 of 10

Question 5 of 10

5. Which of the following is a feature of the IndexedDB API?

Creates a link between data

Enhances the storage

Simplifies the transaction management

Need not manage the transaction at all

Question 5 of 10

Question 6 of 10

6. A key path is defined as ______________

A url that directs to the value

A url that redirects

A value that is similar to hash table

A value that tells the database how to extract an object’s key from the object

Question 6 of 10

Question 7 of 10

7. How does the handshake help the server?

Both Acknowledge and Accept the attempt

Acknowledge

Accept the attempt

Asynchronize

Question 7 of 10

Question 8 of 10

8. What are the two output formats YSlow uses?

JIT, TRD

JKP, RFD

TIP, KIT

TAP, JUnit

Question 8 of 10

Question 9 of 10

9. What is the returning value of the getContext() method?

Drawing model

Context2D object

Container

CanvasRenderingContext2D object

Question 9 of 10

Question 10 of 10

10. What is the default value of the property overrideConsole?

false

true

Question 10 of 10