Test your basic knowledge |

Jquery Commands

Subject : it-skills

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Determine the state of a toggled element
selector
viewport
$("img#dog").fadeIn(3000);
var myValue = $('#myDivId').val();
HTML string
$
opaque
terminator
Write Less
milliseconds
dot
$('#myDivId')
$('.myCssClass')
html
var myDivElement = $('#myDivId');
$("#some\.id") instead of $("#some.id")
node
<script></script>
code block
if ( $('#myDiv').length )
interpreter
none
+
$( )
CSS
*
DOM (Document Object Model)
developer
if ( $('#myDiv').is('.pretty') )
$(document).ready( function( ) {/* your code here */} );
class selector
$("#x").attr("disabled","disabled");
transparent
descendent selector
concatenation
if ( $(this).hasClass("protected")
$("#x").removeAttr("disabled");
$("h1").hide();
jQuery
$("#c").attr("checked", "checked");
slideToggle
slideUp
$('#myDivId').val("hello world");
http://www.jquery.com
$("#myselect option:selected").text();
var isVisible = $('#myDiv').is(':visible');
dollar sign
method
$("#c").attr("checked","");
id selector
dot
var isHidden = $('#myDiv').is(':hidden');
var isHidden = $('#myDiv').is(':hidden');
if not $('#myDiv').show();
John Resig
slideDown
1000
JavaScript
production
html
$("<selector>").<method>;
browser
semicolon

2. One of jQuery's main strengths is that it allows you to work with the ____ without having to know everything about it.
slideDown
DOM (Document Object Model)
$("#c").attr("checked", "checked");
if ( $(this).hasClass("protected")

3. The ______ is the main window of the browser.
node
viewport
$
if not $('#myDiv').show();

4. Allows you to select a grouping of elements
$('#myDivId').val("hello world");
class selector
$('.myCssClass')
transparent

5. Uncheck an input
if ( $('#myDiv').length )
$('#myDivId').val("hello world");
opaque
$("#c").attr("checked","");

6. Set the value of an element
dot
var myValue = $('#myDivId').val();
1000
jQuery
node
$( )
$('#myDivId').val("hello world");
var myDivElement = $('#myDivId');
var isVisible = $('#myDiv').is(':visible');
if ( $(this).hasClass("protected")
if ( $('#myDiv').is('.pretty') )
$('.myCssClass')
<script></script>
transparent
$("#c").attr("checked", "checked");
terminator
id selector
milliseconds
dollar sign
viewport
semicolon
dot
html
var isHidden = $('#myDiv').is(':hidden');
$("img#dog").fadeIn(3000);
+
none
John Resig
slideDown
opaque
if not $('#myDiv').show();
$("#c").attr("checked","");
JavaScript
$("#some\.id") instead of $("#some.id")
selector
concatenation
browser
production
$('#myDivId').val("hello world");
interpreter
developer
$("<selector>").<method>;
descendent selector
$('#myDivId')
Write Less
$("#x").removeAttr("disabled");
slideToggle
$
CSS
HTML string
$("h1").hide();
if ( $('#myDiv').length )
$("#myselect option:selected").text();
slideUp
http://www.jquery.com
DOM (Document Object Model)
$(document).ready( function( ) {/* your code here */} );
html
class selector
method
code block
*
$("#x").attr("disabled","disabled");

7. Name of the symbol that ends a jQuery statement
id selector
$( )
semicolon
html

8. Select an item using class

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

9. The semicolon following a jQuery statement is known as a ___________
$('#myDivId')
<script></script>
terminator
var isHidden = $('#myDiv').is(':hidden');

10. The original creator of the jQuery library
John Resig
$('.myCssClass')
$("<selector>").<method>;
$('#myDivId').val("hello world");

11. Root of an html document
var isVisible = $('#myDiv').is(':visible');
John Resig
slideToggle
html

12. Get the value of an element
HTML string
dollar sign
html
$("#myselect option:selected").text();
var myValue = $('#myDivId').val();
node
code block
var isHidden = $('#myDiv').is(':hidden');
Write Less
dot
slideToggle
$
terminator
id selector
$("#some\.id") instead of $("#some.id")
slideUp
if not $('#myDiv').show();
var myValue = $('#myDivId').val();
if ( $(this).hasClass("protected")
1000
CSS
none
var myDivElement = $('#myDivId');
transparent
+
DOM (Document Object Model)
production
John Resig
$("#c").attr("checked","");
descendent selector
if ( $('#myDiv').is('.pretty') )
milliseconds
$(document).ready( function( ) {/* your code here */} );
concatenation
slideDown
semicolon
dot
if ( $('#myDiv').length )
html
*
viewport
$("h1").hide();
JavaScript
opaque
$('#myDivId')
var isVisible = $('#myDiv').is(':visible');
$("#x").removeAttr("disabled");
$("#c").attr("checked", "checked");
$('#myDivId').val("hello world");
$( )
$("#x").attr("disabled","disabled");
interpreter
method
browser
selector
<script></script>
developer
$("<selector>").<method>;
http://www.jquery.com
$("img#dog").fadeIn(3000);
jQuery
$('.myCssClass')
class selector

13. The ______ method says 'If it's up slide it down; if it's down slide it up.'
slideToggle
var myValue = $('#myDivId').val();
+
semicolon

14. Select an item using id
http://www.jquery.com
var isHidden = $('#myDiv').is(':hidden');
id selector
browser
transparent
$( )
terminator
viewport
$("#x").attr("disabled","disabled");
$("#c").attr("checked", "checked");
method
JavaScript
John Resig
code block
$('#myDivId')
$("<selector>").<method>;
slideToggle
slideDown
descendent selector
dot
dot
semicolon
CSS
html
jQuery
$("img#dog").fadeIn(3000);
if ( $('#myDiv').length )
$('.myCssClass')
dollar sign
*
HTML string
Write Less
$('#myDivId')
$("#x").removeAttr("disabled");
1000
node
selector
$
DOM (Document Object Model)
slideUp
developer
$("#c").attr("checked","");
class selector
$(document).ready( function( ) {/* your code here */} );
if ( $('#myDiv').is('.pretty') )
var isVisible = $('#myDiv').is(':visible');
$('#myDivId').val("hello world");
opaque
none
production
var myDivElement = $('#myDivId');
interpreter
html
concatenation
+
if not $('#myDiv').show();
$("#myselect option:selected").text();
<script></script>
var myValue = $('#myDivId').val();
$("#some\.id") instead of $("#some.id")
milliseconds
$("h1").hide();
if ( $(this).hasClass("protected")

15. A(n) ___ _____ is used to identify a single unique element on a page.
interpreter
$("#x").attr("disabled","disabled");
id selector
jQuery

16. Number of milliseconds in a second
dollar sign
*
$('.myCssClass')
1000

17. JavaScript library specialized for complex interactivity and rich visual effects
slideToggle
production
jQuery
none

18. Test whether an element has a particular class
if ( $(this).hasClass("protected")
none
var isHidden = $('#myDiv').is(':hidden');
$

19. Two versions of jQuery available for download: production & ________
developer
*
slideDown
John Resig

20. The _____ method changes the height property of an element until it is zero and then hides the element.
$('#myDivId').val("hello world");
viewport
slideUp
selector

21. Name of the character used to separate a jQuery selector from a jQuery method
id selector
dot
http://www.jquery.com
1000

22. HTML tag pair that delimits a jQuery code block
code block
<script></script>
node
milliseconds

23. URL for obtaining jQuery
$
browser
slideDown
http://www.jquery.com

24. This kind of file builds the structure of the web page
node
slideDown
id selector
html

25. The _______ version of jQuery is minified
$( )
concatenation
production
if ( $('#myDiv').length )

26. Both CSS and jQuery use the ____ symbol to specify a class.
$("#x").removeAttr("disabled");
if ( $('#myDiv').length )
concatenation
dot

27. Determine the state of a toggled element
HTML string
$('#myDivId')
CSS
viewport
html
var isVisible = $('#myDiv').is(':visible');
<script></script>
slideUp
if not $('#myDiv').show();
browser
http://www.jquery.com
none
slideDown
node
transparent
if ( $('#myDiv').is('.pretty') )
selector
John Resig
$( )
terminator
JavaScript
$("h1").hide();
$("#some\.id") instead of $("#some.id")
code block
+
$("#c").attr("checked", "checked");
$('.myCssClass')
1000
dot
DOM (Document Object Model)
var isVisible = $('#myDiv').is(':visible');
dot
id selector
opaque
$("#c").attr("checked","");
var myValue = $('#myDivId').val();
interpreter
developer
var myDivElement = $('#myDivId');
$("#x").removeAttr("disabled");
$("img#dog").fadeIn(3000);
$("<selector>").<method>;
concatenation
$('#myDivId').val("hello world");
*
dollar sign
milliseconds
slideToggle
production
var isHidden = $('#myDiv').is(':hidden');
html
jQuery
descendent selector
class selector
$(document).ready( function( ) {/* your code here */} );
if ( $('#myDiv').length )
method
$
if ( $(this).hasClass("protected")
semicolon
$("#myselect option:selected").text();
$("#x").attr("disabled","disabled");
Write Less

28. Each part of the DOM is called a ________.
node
transparent
code block
semicolon

29. Syntax for a common jQuery code block that's intended to run when a web page is fully loaded
concatenation
Write Less
$(document).ready( function( ) {/* your code here */} );
slideUp

30. Test whether an element exists
<script></script>
if ( $('#myDiv').length )
$
milliseconds
terminator
$("#x").removeAttr("disabled");
concatenation
developer
slideToggle
$("#myselect option:selected").text();
slideUp
var isHidden = $('#myDiv').is(':hidden');
viewport
dot
$("img#dog").fadeIn(3000);
class selector
CSS
$('#myDivId')
transparent
$('.myCssClass')
if not $('#myDiv').show();
JavaScript
production
Write Less
id selector
DOM (Document Object Model)
html
$("<selector>").<method>;
var myValue = $('#myDivId').val();
html
$(document).ready( function( ) {/* your code here */} );
var isVisible = $('#myDiv').is(':visible');
$('#myDivId').val("hello world");
if ( $('#myDiv').length )
code block
none
var myDivElement = $('#myDivId');
dollar sign
if ( $('#myDiv').is('.pretty') )
opaque
descendent selector
1000
slideDown
*
$("#x").attr("disabled","disabled");
browser
$("#some\.id") instead of $("#some.id")
jQuery
+
HTML string
$( )
node
John Resig
method
interpreter
http://www.jquery.com
$("#c").attr("checked", "checked");
$("#c").attr("checked","");
semicolon
dot
if ( $(this).hasClass("protected")
$("h1").hide();
selector

31. Check an input
$("#c").attr("checked", "checked");
interpreter
if ( $('#myDiv').is('.pretty') )
JavaScript

32. jQuery selects elements the same way ____ does
var isVisible = $('#myDiv').is(':visible');
dollar sign
CSS
var myValue = $('#myDivId').val();

33. jQuery is written in _____________
none
id selector
slideUp
JavaScript

34. You know you are dealing with a _____ when you see a set of parenthesis after a keyword
CSS
method
+
html

35. Basic jQuery syntax (using shortcut)
class selector
$("<selector>").<method>;
$("#c").attr("checked","");
slideUp

36. Select an element that has special CSS characters in its ID like '.'
semicolon
$("h1").hide();
$("#some\.id") instead of $("#some.id")
$('#myDivId')

37. Given: $("div p").hide(); Here the selector is an example of a _________; the parent is on the left and child is on the right
descendent selector
dollar sign
if ( $(this).hasClass("protected")
dot

38. The _____ method changes the height property of an element from zero to whatever it's set to in the CSS style.
slideDown
$(document).ready( function( ) {/* your code here */} );
1000
if not $('#myDiv').show();

39. A ______ is used by jQuery to locate and return an element from the web page
var myDivElement = $('#myDivId');
selector
if ( $(this).hasClass("protected")
semicolon

40. jQuery motto: _____. Do More.
Write Less
id selector
method
$('#myDivId')

41. This is the jQuery object. $ ("document").ready(function () { Your Code }); This is where all of jQuery's functionality is accessed from.
$
slideUp
method
id selector

42. 3 types of things that can go into the jQuery function: $( ) - CSS Selector - ________ - and JavaScript object
terminator
node
CSS
HTML string

43. Re-write the following command with the jQuery shortcut: jQuery("h1").hide();
+
html
browser
$("h1").hide();

44. Concatenation symbol in JavaScript
production
+
var isVisible = $('#myDiv').is(':visible');
terminator

45. The JavaScript ______ translates directions you give it into different actions on the web page
1000
none
if ( $(this).hasClass("protected")
interpreter

46. Shortcut for typing: jQuery( )
<script></script>
$("#x").removeAttr("disabled");
var myDivElement = $('#myDivId');
$( )

47. Show item if it exists but do nothing (no errors)
$("img#dog").fadeIn(3000);
dollar sign
browser
descendent selector
transparent
HTML string
var myValue = $('#myDivId').val();
*
var isVisible = $('#myDiv').is(':visible');
jQuery
dot
slideUp
1000
if not $('#myDiv').show();
if not $('#myDiv').show();
html
http://www.jquery.com
milliseconds
CSS
slideToggle
var myDivElement = $('#myDivId');
if ( $('#myDiv').is('.pretty') )
DOM (Document Object Model)
$(document).ready( function( ) {/* your code here */} );
if ( $(this).hasClass("protected")
node
$('#myDivId')
$("#x").attr("disabled","disabled");
$
$("h1").hide();
interpreter
semicolon
none
+
$("#x").removeAttr("disabled");
opaque
dot
var isHidden = $('#myDiv').is(':hidden');
viewport
$("#some\.id") instead of $("#some.id")
$("#c").attr("checked", "checked");
John Resig
$('#myDivId').val("hello world");
$( )
terminator
JavaScript
$("<selector>").<method>;
method
$("#c").attr("checked","");
concatenation
Write Less
developer
slideDown
<script></script>
class selector
if ( $('#myDiv').length )
$('.myCssClass')
html
production
id selector
$("#myselect option:selected").text();
code block
selector

48. Use a _____ to test that your jQuery scripts are working.
dollar sign
id selector
$("h1").hide();
browser

49. Unit of time measure in jQuery commands requiring a time value
$("h1").hide();
milliseconds
HTML string
if ( $('#myDiv').length )

50. Another word for invisible
dot
transparent
$("<selector>").<method>;
method