JavaScript, Web Development

JavaScript

Question: You created a cookie using JavaScript and want to delete it. How do you do it?
A
You can\'t. They are valid until they expire

B
Overwrite it with an expiry date in the past

C
escape() the value of the path attribute

D
unescape() the value of the path attribute

E
You will have to remove the cookie file from the client machine

Note: Not available
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Question: Which of the following Regular Expression pattern flags is not valid?
A
gi

B
p

C
i

D
g

Note: Not available
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Question: You declared a variable. What value would JavaScript assign to the uninitialized variable?
A
NaN

B
null

C
undefined

D
false

E
0

Note: Not available
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Question: You have defined an image tag as follows:
<img id="ERImage" width="100" height="100" onmouseover="ImageChange()" src="Image1.jpg">
The purpose of the ImageChange() function is to change the image source to "Image2.jpg". What will the ImageChange() function look like?
A
document.getElementById(' ERImage ').src=" Image1.jpg "

B
document.getElementById(' ERImage ').src=" Image2.jpg "

C
document.getElementById(' ERImage ').style.src=" Image1.jpg "

D
document.getElementById(' ERImage ').style.src=" Image2.jpg "

Note: Not available
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Question: Which of the following is true about setTimeOut():
A
The statement(s) it executes run(s) only once

B
It pauses the script in which it is called

C
clearTimeOut() won't stop its execution

D
The delay is measured in hundredths of a second

E
It is required in every JavaScript function

Note: Not available
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Question: Which is the topmost object in the object hierarchy?
A
document

B
window

C
history

D
browser

E
form

Note: Not available
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Question: Which of the following are valid JavaScript methods?
A
scrollBy(dx, dy)

B
moveBy(dx, dy)

C
moveTo(x, y)

D
scrollTo(x, y)

E
All of the above are valid

Note: Not available
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Question: You want to access the methods and properties of a Java Applet. What feature would allow you to do that?
A
The Java console

B
LiveConnect

C
LiveWire

D
LiveWire Pro

Note: Not available
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Question: What will the following code snippet do?
<form onreset="alert('Please try again')">
A
It validates the contents of the form

B
It prompts the user not to leave the fields of the form empty

C
It prompts the user to fill the form once the form is cleared

D
None of the above

Note: Not available
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Question: You want to ascertain the protocol of the current URL. Which object would you use?
A
document

B
window

C
history

D
browser

E
form

F
location

Note: Not available
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Question: You created a cookie using JavaScript and want to delete it. How do you do it?

Question: Which of the following Regular Expression pattern flags is not valid?

Question: You declared a variable. What value would JavaScript assign to the uninitialized variable?

Question: You have defined an image tag as follows:
<img id="ERImage" width="100" height="100" onmouseover="ImageChange()" src="Image1.jpg">
The purpose of the ImageChange() function is to change the image source to "Image2.jpg". What will the ImageChange() function look like?

Question: Which of the following is true about setTimeOut():

Question: Which is the topmost object in the object hierarchy?

Question: Which of the following are valid JavaScript methods?

Question: You want to access the methods and properties of a Java Applet. What feature would allow you to do that?

Question: What will the following code snippet do?
<form onreset="alert('Please try again')">

Question: You want to ascertain the protocol of the current URL. Which object would you use?

Question: You created a cookie using JavaScript and want to delete it. How do you do it?

Question: Which of the following Regular Expression pattern flags is not valid?

Question: You declared a variable. What value would JavaScript assign to the uninitialized variable?

Question: You have defined an image tag as follows:<img id="ERImage" width="100" height="100" onmouseover="ImageChange()" src="Image1.jpg"> The purpose of the ImageChange() function is to change the image source to "Image2.jpg". What will the ImageChange() function look like?

Question: Which of the following is true about setTimeOut():

Question: Which is the topmost object in the object hierarchy?

Question: Which of the following are valid JavaScript methods?

Question: You want to access the methods and properties of a Java Applet. What feature would allow you to do that?

Question: What will the following code snippet do?<form onreset="alert('Please try again')">

Question: You want to ascertain the protocol of the current URL. Which object would you use?

Question: You have defined an image tag as follows:
<img id="ERImage" width="100" height="100" onmouseover="ImageChange()" src="Image1.jpg">
The purpose of the ImageChange() function is to change the image source to "Image2.jpg". What will the ImageChange() function look like?

Question: What will the following code snippet do?
<form onreset="alert('Please try again')">