JavaScript Objects Test - 2

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

<p>1</p>
<p>2</p>
<p>3</p>
function myFunction() 
{
    var x = document.getElementsByTagName("P").item(0);
    alert(x.innerHTML);
}

Error

2. What does the location property represent?

Current URL

Document

Current DOM object

Both DOM object and URL

3. The history property belongs to which object?

Window

History

Location

Element

4. The URL property belongs to which of the following object?

Document

Event

Location

Element

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

<p id="demo">head</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction() 
{
   var x = document.getElementById("demo");
   x.innerHTML = x.attributes[0].isId;
}
</script>

true

false

head

6. The decodeURIComponent() is defined by _____________

Both Server-side and Client-side JavaScript

Service side JavaScript

Server-side JavaScript

Client-side JavaScript

7. What is the purpose of the assign() method?

Loading of window and display

Only loading

Displays already present window

Unloading of window

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

<p>1</p>
<p>2</p>
<p>3</p>
function myFunction() 
{
   var l = document.getElementsByTagName("P").length;
   alert(l);
}

Error

9. What is the function used to extract arguments from the search property of a URL?

urlArgs()

hash()

geturl()

url()

10. What is the return type of the hash property?

Query string

String

Packets

Fragment identifier

11. Which among the following is not a property of the Location object?

protocol

hostee

host

hostname

12. Why is the replace() method better than the assign() method?

Highly manageable

Handles unconditional loading

More efficient

Reliable

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

<head id="myHead">
</head>
<p id="demo"></p>
<script>
function myFunction() 
{
   var x = document.head.id;
   document.getElementById("demo").innerHTML = x;
}
</script>

error

undefined

myHead

demo

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

<p id="Element">Head</p>
function myFunction() 
{
   var x = document.getElementsByTagName("P").namedItem("Element");
   alert(x.innerHTML);
}

Undefined

Error

Head

Element

15. Which is the method that removes the current document from the browsing history before loading the new document?

replace()

modify()

assign()

remove()