JQuery, Web Development

JQuery

Question: Consider the following code snippet:
$('a.arrow-1').click(function () { $('.second-row').slideUp(); $(this).parent('.first-row').siblings('.second-row').slideDown(); });
The order of the animations of this code snippet are:
A
The targeted parent sibling .second-row will slide up, then .second-row will slide down.

B
second-row will slide up, then the targeted parent sibling .second-row will slide down.

C
Both the targeted parent sibling .second-row will slide down and the .second-row will slide up actions will occur at the same time.

D
None

Note: Not available
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Question: Consider the following code snippet:
$('#ul1 li').live('click', function1); $('#ul1').after('<li id="lastLi">Last item</li>');
Is function1 executed if "lastLi" is clicked?
A
Yes

B
No

C
"lastLi" does not exist.

D
None

Note: Not available
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Question: Which of the following code snippets insert(s) the code snippet <font size=2> <div class="footer">footer</div> </font> at the end of div tags?
A
$('div').append('<div class="footer">footer</div>');

B
$('div').appendTo('<div class="footer">footer</div>');

C
$('<div class="footer">footer</div>').append('div');

D
$('<div class="footer">footer</div>').appendTo('div');

Note: Not available
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Question: jQuery allows you to use ___ function to switch between showing and hiding an element.
A
show

B
hide

C
switch

D
toggle

Note: Not available
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Question: What does $('tr.rowClass:eq(1)'); return?
A
One element set which is the second row of the first table.

B
One element set which is the first row of the first table.

C
A set of tr tags which have "rowClass:eq(1)" class .

D
A set of tr tags which have "eq(1)" class .

Note: Not available
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Question: Which option can be used to have jQuery wait for all images to load before executing something on a page?
A
All jQuery code need to add inside $function() { } syntax

B
With jQuery, can use $(document).ready() to execute something when the DOM is loaded and$(window).load() to execute something when all other things are loaded as well, such as the images.

C
With jQuery, can use $(document).ready() or $(window).load() syntax as these both are the same.

D
$(window).onLoad(function() { })

Note: Not available
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Question: Offset function gets the current offset of the first matched element in pixels relative to the _____.
A
document

B
parent element

C
children element

D
container

Note: Not available
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Question: Consider the following code snippet:
$(document).ready(function() { $('div').each(function(index) { alert(this); }); });
Which of the following objects does the 'this' variable refer to?
A
window

B
document

C
The current div tag of the iteration.

D
The last element tag in the body.

Note: Not available
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Question: Which of the following returns the children tags of "id1"?
A
$('#id1').children();

B
$('#id1').getChildren();

C
children('#id1');

D
getChildren('#id1');

Note: Not available
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Question: Which of the following is the correct way to select an option based on its text in jQuery?
A
$("#myselect option").filter(function(){ return $(this).text() == 'text';}).prop('selected', true);

B
$("#myselect option").prop('selected', true).text("text")

C
$("#myselect").filter("option").prop('selected', true).text("text");

D
$("#myselect").filter(function(){ return $(this).val() == 'text';}).prop('selected', true);

Note: Not available
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Question: Consider the following code snippet:
$('a.arrow-1').click(function () { $('.second-row').slideUp(); $(this).parent('.first-row').siblings('.second-row').slideDown(); });
The order of the animations of this code snippet are:

Question: Consider the following code snippet:
$('#ul1 li').live('click', function1); $('#ul1').after('<li id="lastLi">Last item</li>');
Is function1 executed if "lastLi" is clicked?

Question: Which of the following code snippets insert(s) the code snippet <font size=2> <div class="footer">footer</div> </font> at the end of div tags?

Question: jQuery allows you to use ___ function to switch between showing and hiding an element.

Question: What does $('tr.rowClass:eq(1)'); return?

Question: Which option can be used to have jQuery wait for all images to load before executing something on a page?

Question: Offset function gets the current offset of the first matched element in pixels relative to the _____.

Question: Consider the following code snippet:
$(document).ready(function() { $('div').each(function(index) { alert(this); }); });
Which of the following objects does the 'this' variable refer to?

Question: Which of the following returns the children tags of "id1"?

Question: Which of the following is the correct way to select an option based on its text in jQuery?

Question: Consider the following code snippet:$('a.arrow-1').click(function () { $('.second-row').slideUp(); $(this).parent('.first-row').siblings('.second-row').slideDown(); }); The order of the animations of this code snippet are:

Question: Consider the following code snippet:$('#ul1 li').live('click', function1); $('#ul1').after('&#60;li id="lastLi"&#62;Last item&#60;/li&#62;'); Is function1 executed if "lastLi" is clicked?

Question: Which of the following code snippets insert(s) the code snippet <font size=2> <div class="footer">footer</div> </font> at the end of div tags?

Question: jQuery allows you to use ___ function to switch between showing and hiding an element.

Question: What does $('tr.rowClass:eq(1)'); return?

Question: Which option can be used to have jQuery wait for all images to load before executing something on a page?

Question: Offset function gets the current offset of the first matched element in pixels relative to the _____.

Question: Consider the following code snippet:$(document).ready(function() { $('div').each(function(index) { alert(this); }); }); Which of the following objects does the 'this' variable refer to?

Question: Which of the following returns the children tags of "id1"?

Question: Which of the following is the correct way to select an option based on its text in jQuery?

Question: Consider the following code snippet:
$('a.arrow-1').click(function () { $('.second-row').slideUp(); $(this).parent('.first-row').siblings('.second-row').slideDown(); });
The order of the animations of this code snippet are:

Question: Consider the following code snippet:
$('#ul1 li').live('click', function1); $('#ul1').after('<li id="lastLi">Last item</li>');
Is function1 executed if "lastLi" is clicked?

Question: Consider the following code snippet:
$(document).ready(function() { $('div').each(function(index) { alert(this); }); });
Which of the following objects does the 'this' variable refer to?