MCQs of Client Side Scripting using JavaScript (Web Programming - 3160713)

Web Programming (3160713) MCQs

MCQs of Client Side Scripting using JavaScript

Showing 11 to 20 out of 41 Questions

11.

JavaScript entities start with _______ and end with _________.

(a)	Semicolon, colon
(b)	Semicolon, Ampersand
(c)	Ampersand, colon
(d)	Ampersand, semicolon

12.

Which of the following best describes JavaScript?

(a)	a low-level programming language.
(b)	a scripting language precompiled in the browser.
(c)	a compiled scripting language.
(d)	an object-oriented scripting language.

13.

Which of the following event fires when the form element loses the focus:

(a)	onfocus
(b)	onblur
(c)	onclick
(d)	ondblclick

14.

How to create a Date object in JavaScript?

(a)	dateObjectName = new Date([parameters])
(b)	dateObjectName.new Date([parameters])
(c)	dateObjectName := new Date([parameters])
(d)	dateObjectName Date([parameters])

15.

Which tag(s) can handle mouse events in Browser?

(a)	`<IMG>`
(b)	`<A>`
(c)	`<BR>`
(d)	None of the above

Answer:

Option (b)

16.

JavaScript is can be written _____________

(a)	directly on server script
(b)	directly into js file and include into HTML
(c)	directly on CSS file
(d)	None of Above

17.

<script type="text/javascript">
x=4+"4";
document.write(x);
</script>

output will be?

(a)	44
(b)	8
(c)	4
(d)	Error output

Answer:

Option (a)

18.

<script language="javascript"> function x() { document.write(2+5+"8"); } </script>

output?

(a)	258
(b)	Error
(c)	7
(d)	78

Answer:

Option (d)

19.

<script type="text/javascript">

var s = "+999A999";
var pattern = new RegExp("^[a-zA-Z0-9]");
document.write("Hello ");
if(pattern.test(s))
{
document.write("Friend");
}
else
{
document.write("Classmate");
}
</script>

Output ??

(a)	Hello
(b)	Hello Friend
(c)	Hello Classmate
(d)	None of above

Answer:

Option (c)

20.

The external JavaScript file must contain the <script> tag.

(a)	True
(b)	False

Answer:

Option (b)

Showing 11 to 20 out of 41 Questions