JavaScript, Web Development

Question: You are enabling cookies with JavaScript. What would be the default setting for the expires attribute of the document.cookie property?
A
The duration of the browser session

B
The duration the current document stays loaded

C
Twenty-four hours from the time the cookie is set

D
There is no default setting

Note: Not available
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Question: Which of the following is not a valid string method?
A
link()

B
italics()

C
str()

D
sup()

Note: Not available
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Question: Which of the following is true?
A
If onKeyDown returns false, the key-press event is cancelled

B
If onKeyPress returns false, the key-down event is cancelled

C
If onKeyDown returns false, the key-up event is cancelled

D
If onKeyPress returns false, the key-up event is canceled

Note: Not available
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Question: Which of the following properties can you use to dynamically change the value of a <tr> tag?
A
HTML

B
innerHTML

C
outerHTML

D
text

Note: Not available
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Question: What will the following code snippet do?cocument.alinkColor= " green "
A
It makes the background color of the document green

B
It makes the color of the active links green

C
It makes the color of the visited links green

D
It makes the color of all links green

Note: Not available
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Question: Consider the following code snippet:
<form name="frmOne"> <select name="selList" size="1" onChange="change()"> <option value="http://www.hotmail.com">tHomail</option> <option value="http://www.yahoo.com">Yahoo</option> </select> </form>
You want that when an option button is selected, the appropriate website should be opened immediately. What will the change() function look like?
A
url=document.frmOne.selList.options[document.frmOne.selList..item].value

B
url=document.frmOne.selList.options[document.frmOne.selList.selectedIndex].value

C
location=document.frmOne.selList.options[document.frmOne.selList.item].value.value

D
location=document.frmOne.selList.options[document.frmOne.selList.selectedIndex].value

Note: Not available
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Question: How would you detect the operating system of the client machine?
A
It is not possible using JavaScript

B
You would use the navigator object

C
You would use the window object

D
You would use the document object

E
None of the above

Note: Not available
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Question: What would be the use of the following code?function validate(field)
{
var valid=''ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'';
var ok=''yes'';
var temp; 
for(var i=0;i<field.value.length;i++)
{
temp='''' + field.value.substring(i,i+1)
if(valid.indexOf(temp)==''-1'')
{
ok=''no'';
}
} 
if(ok==''no'')
{
alert(''error'');
field.focus();
} 
}
AIt will force a user to enter only numeric values

BIt will force a user to enter only alphanumeric values

CIt will force a user to enter only character values

DNone of the above

Note: Not available

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Question: Consider the following code: var vNew=new Date() Which of the following options will return true?
A
vNew instanceof boolean

B
vNew instanceof object

C
vNew instanceof Date

D
All of the above

Note: Not available
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Question: Which of the following escape sequences represents form feed?
A
//f

B
'f'

C
/f

D
\f

Note: Not available
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Question: You are enabling cookies with JavaScript. What would be the default setting for the expires attribute of the document.cookie property?

Question: Which of the following is not a valid string method?

Question: Which of the following is true?

Question: Which of the following properties can you use to dynamically change the value of a <tr> tag?

Question: What will the following code snippet do?cocument.alinkColor= " green "

Question: How would you detect the operating system of the client machine?

Question: Consider the following code: var vNew=new Date() Which of the following options will return true?

Question: Which of the following escape sequences represents form feed?