Elance Resources and Guide: Skills Test Answers

Skills Test Answers - jQuery

How is jQuery licensed?

Open source

Private

Secret

Proprietary

var result = $("#div").css("color","red") What does the "result" var contain?

jQuery object

False

True

CSS property

Which custom selector is case sensitive?

:case()

medium

:contains()

:includes()

:custom()

What does the empty() function do?

Removes all child nodes of the set of matched elements from the DOM

Clears the text in a node

Checks if a node is empty

Removes all child nodes of the set of matched elements from the DOM including the parent node

What element type can you apply the "jQuery.unique(...)" on?

Arrays of strings

Arrays of numbers

Arrays of DOM elements

Arrays of characters

Which of the following jQuery functions are deprecated?

.live()

.browser()

.die()

.sub()

All of these

When an event is triggered on an element, the same event is also triggered on all of that element’s ancestors. What is the name of this process?

global event

medium

event bubbling

progressive enhancement

upward progress

The insertAfter function adds a new element as a sibling. What comparable function adds a new element as a child?

appendTo

addChild

createChild

insertNew

expandFamily

Which function locates elements at the same level as the current selection?

.children()

.find()

.siblings()

.closest()

What is the difference between remove() & empty()

remove() method removes the selected element(s) and its child elements whereas empty() method removes the child elements of the selected element(s)

they are same

remove() method removes the child elements of the selected element(s) whereas empty() method removes the selected element(s) and its child elements

Why do we add the stop() function before the animate() function?

to stop the animation after it has finished.

stop() ends any currently running animations on the element.

stop() halts the execution of the scripts on the page until any animations have finished.

to tell jQuery that the animation has to be stopped at some point.

What does $("div#intro .head") select?

The first element with id="head" inside any div element with class="intro"

All elements with class="head" inside the first div element with id="intro"

All div elements with id="intro" or class="head"

True or false? The jQuery library can be used to request a server-side script.

True

False

What does the greater sign (>) indicate in the following code? $('#summary > div').hide();

chaining

hierarchical relationship

directional indicator

child selector

comparison operator

The selector :disabled will perform the following:

Select only elements in a disabled state

None of the above

Disable any elements currently set to an enabled state

Create a new element with the state set to disabled

Which of the following statement returns all anchor links that start with "https"?

$('a[href] = "https"');

$('a[href="https"]');

$('a[href^="https"]');

$('a[href$="https"]');

Which part of the following statement is the action? $('p').css('color','blue');

$('p')

'color'

'blue'

.css

You can copy an element by calling which of the following methods?

clone()

cloneTo()

moveTo()

copy()

What jQuery function is used to set an element's markup content?

document.write()

.html()

echo()

.content()

What is the equivalent of the following code? $('div').click(function {alert(1);});

$('div').handler('click',function {alert(1);});

$('div').bind('click',function {alert(1);});

$('div').event('click',function {alert(1);});

$('div').call('click',function {alert(1);});

Which of the following is used to schedule a function to execute after an animation has completed?

progressive enhancement

callback function

graceful degradation

chaining

AJAX

If you want to change the text displayed in a paragraph by adding text before what's currently displayed, which would be correct?

$('p').prepend('text to add');

$('p').text('text to add');

$('p').html('text to add');

$('p').content('text to add');

$('p').append('text to add');

What does the following code do? $('#mydiv').wrap('<div/>');

duplicate the element id 'mydiv'

Create a div next to the element id 'mydiv'

Create a parent 'div' tag for element id 'mydiv'.

How do you pass options to a plugin?

$("...").foobar( option1: 123, option2: 9 );

$("...").foobar({ option1: 123, option2: 9 });

$("...").foobar([ option1: 123, option2: 9 ]);

True or False : It is possible to use relative values for jQuery animate() method.

False

True

What is the END STATE STYLE of the paragraph element in the code $('p').hide(); ?

opacity: 0;

display: none;

height: 0;

visibility: hidden;

What method is used to set one or more style properties for selected elements?

javascript()

html()

style()

css()

How do you clear the contents of this paragraph element? <div id='file'><p>content goes here</p></div>

$("#p").empty()

$('#file p').empty();

$("file").clear();

$("#file").clear();

$(".file").empty();

How would you prevent the default browser action from an event handler without affecting other properties of the event flow?

$a.click(false);

$a.click(function () { /* code */ return false; });

$a.click(function (e) { /* code */ e.returnValue = false; });

$a.click(function (e) { /* code */ e.preventDefault(); });

Which is a state selector?

$('.name')

$('#name')

$(':name')

Which is an example of chaining a jQuery command?

$("#box").fadeOut().fadeIn();

$(#box).fadeOut().fadeIn()

$(<#box>).fadeOut().fadeIn();

$(“box”).fadeOut().fadeIn()

What can be used to append a new paragraph element into a div with id 'mydiv'?

$("div#mydiv").never("<p>Paragraph</p>");

$("div#mydiv").before("<p>Paragraph</p>");

$("<p>Paragraph</p>").appendTo("div#mydiv");

$("<p>Paragraph</p>").new("div#mydiv");

The "hide()" function set which of the following properties?

The "width" property

The "height" property

The "visibility" property

The "display" property

True or False? live() method has been removed from version 1.9

False

True

What method is the primary means of attaching a handler to an event?

.attach()

.on()

.link()

.behavior()

Which of the following is NOT a valid example of a selector filter?

tr:even

div:left

tr:odd

p:first

li:last

What does every selector expression return?

recordset

HTML text

jQuery object

result set

Where does jQuery code run?

client browser

host server

client server

host browser

$.foo() is equivalent to:

None of them

javascript.foo()

jQuery.foo()

document.foo()

How do you schedule a Javascript function to execute as soon as the document has been interpreted by the browser?

.hide()

.show()

.load()

.ready()

True or False : jQuery method fadeTo() permits fading to a given opacity.

True

False

How do you change the CSS property 'color' of an element?

$("#someID").css("color:red");

$("#someID").css("color","red");

$("#someID"))((.style("color","red");

$.css("color:red");

What method is used to switch between adding/removing one or more classes (for CSS) from selected elements?

switch()

toggleClass()

switchClass()

classSwitch()

What keyword would you use to refer to the object on which the currently executing method has been invoked?

object

here

medium

that

this

Which function is used to make a copy of a selected element?

.copy()

.duplicate()

.clone()

.repeat()

How do you delete an element with an id of "dialog" from the DOM using jQuery?

$(".dialog").remove();

$("#dialog").delete();

$.remove("#dialog");

$.delete(#dialog);

$("#dialog").remove();

Which is a syntactically valid jQuery command?

jQuery("book").fadeOut{}

$("book").fadeOut{}

$(#book).fadeOut();

$("#book").fadeOut();

Which of the following is the correct command to fade in an element over a three-second time period?

fadeIn(3000)

fadeIn('3 seconds')

fadeIn('three')

fadeIn('3 sec')

fadeIn(3)

Illustrate selecting a HTML element using its class:

$("#myClass")

$('#myClass')

$(".myClass")

#(".myClass")

Which of the following is valid?

$('p').css('color: red;');

$('p').css('color: red');

$('p').css('color', 'red');

Which command selects an element using its ID?

$("#myID")

#{".myID"}

${."myID"}

${"#myID"}

How would you hide the following element ? <input id="id_txt" name="txt" type="text" value="" />

$("text").hide();

$(#id_txt).remove();

$("#id_txt").hide();

$("id_txt").hide();

$("#id_txt").remove();

Which selector matches all elements?

Which method is used to prevent the default action of an event?

event.preventAction()

event.stopDefault()

event.stopData()

event.preventDefault()

What is '$();' equivalent to?

Function();

jQuery();

operator();

java();

function();

Which sign does jQuery use as a shortcut for jQuery?

the > sign

the $ sign

the # sign

the . sign

What does the jQuery attr() function do?

Takes the name of an attribute on the page and makes it animate.

Takes the name of an attribute on your page and gives the value of that attribute.

Takes the name of an attribute and duplicates it.

Takes the element and duplicates it.

Which method is used to hide selected elements?

hidden()

display(none)

hide()

hide(display)

Which is a class selector?

$('_name')

$('.name')

$('#name')

What does this script do? $(function() { $( "#effect" ).animate({ backgroundColor: "#fff" }, 1000 ); });

Changes the background color of the element with id 'effect' to #fff within 1 second.

Changes the background color of the element with class 'effect' to #fff within 1 second.

$() is an alias of the jQuery() function

False

True

What is the difference between .width() and .outerWidth()?

Only difference is .width() returns a number & outerWidth() returns a string.

width() returns the computed width of the element while outerWidth() returns the width plus all the margins and paddings.

No difference. width() is a shorthand alias for outerWidth()

Which is NOT a jQuery method?

toggle()

fadeIn()

show()

alias()

Is jQuery a library for client scripting or server scripting?

Server Scripting

Client Scripting

Illustrate the code needed to include the jQuery library in an HTML file:

$(script) src="jQuery.js")

$script src="jQuery.js"

$(script src)="jQuery.js"(/script)

The '#' symbol indicates a lookup on what?

element

Name

element's ID

Attribute

What do selectors do?

Allows selection of libraries.

Allows the content to be stopped at some point.

Allows you to select an array in the node list.

Allows you to select HTML elements (or groups of elements) by element name, attribute name or by content.

Which is an id selector?

$('.name')

$('#name')

$(':name')

jQuery uses CSS selectors to select elements?

False

True

How do you test if an element has a specific class?

use .getClass()

use .isClass()

use.class()

use .hasThis()

use .hasClass()

Is it possible to use jQuery with AJAX?

It is code dependent

Yes

What language is jQuery constructed in?

JavaScript

C++

Java

PHP

What function can be used to alternate an element's state between display and hidden?

alternate

toggle

switch

flip

reverse

Which of the following is correct?

jQuery is a JavaScript Library

jQuery is a python Library

All of these

jQuery is a JSON Library

Which of the following is correct?

jQuery is a JavaScript Library

jQuery is a JSON Library

None of these

What language is jQuery written in?

PHP

CSS

JavaScript

Java

What is the proper way to show an element?

$('#foo').showElement();

$('#foo').style('show');

$('#foo').show();

$('#foo').display('show');

What is the difference between searching 'find()' and 'children()'

Both do similar tasks

There is no find() function

There is no children() function

The .find() and .children() methods are similar, except that the latter only travels a single level down the DOM tree.

What is jQuery used for?

Rapid web development

Overcome cross-browser issues

All of these

Simplify JavaScript coding

Which of the following methods can be used to remove the title of an img element?

$("img").remove("title")

$("img").deleteTitle()

$("img").removeAttr("title")

$("img").removeTitle()

True or false: it is possible to use jQuery together with AJAX?

True

False

jQuery.trim() function is used to ?

Remove Whitespace from beginning of string

Remove Whitespace from beginning & ending of string

trim() is not a valid Jquery function

Remove Whitespace from end of string

With jQuery, look at the following selector: $("div.intro"). What does it select?

The first div element with id="intro"

All div elements with class="intro"

The first div element with class="intro"

All div elements with id="intro"

Which method stops an event before the default action is triggered?

medium

.stopDefault()

.preventDefault()

.stopEvent()

.end()

Which function does jQuery provide to remove whitespace from the beginning and end of a string?

$.strip( )

jQuery does not provide such function.

$.trim( )

$.stripspace( )

Is it possible to use jQuery together with AJAX?

Yes

code for making all div elements 100 pixels high?

$("div").height.pos=100

$("div").height=("100")

$("div").height="100"

$("div").height(100)

What does $("div.intro") select?

The first div element with class="intro"

The first div element with id="intro"

All div elements with class="intro"

All div elements with id="intro"

Which of the following statements will display an alert dialog when the button with id "myBtn" is clicked on?

$("#myBtn").click( function() { alert("hello"); } );

$var handler = $function() { alert("Hello"); }; $("#myBtn").click( handler() );

$("#myBtn").click( alert("hello") );

$("#myBtn").click( alert(event) );

Which of the following does jQuery NOT integrate seamlessly with?

HTML

Java

CSS

DOM

Is this a valid statement in jQuery? $("#foo").hide().show().css("color", "red").fadeOut();

Yes

Which of the following statement best described the following code snippet: $('#myID').animate({width:"90%"}, "fast");

Animate the tag with myID from 90% width to 100% width.

Animate the tag with myID from 90% width to the current width.

Animate the tag with myID from 90% width to 0% width.

Animate the tag with myID from the current width to 90% width.

To dynamically set the src attribute of all img elements use:

$('img').attr('src', 'photo.jpg');

$('img').attr('src').set('photo.jpg');

$('img src').set('photo.jpg');

$(img).setAttribute('src', 'photo.jpg');

In the following statement, which is the selector? $('p').css('color','blue');

color

.css

blue

How do you fetch the first span on the page which has the class 'white'?

$('span; white: first')

$('first.span.white')

$('white;span;first')

$('span.white:first')

When using jQuery animation, you can specify duration in the following format:

500

All of these

'fast'

Leave it blank

Which of the following selectors is the fastest?

$('div');

$('#container');

$('.grid12');

$('div+.grid12');

$('#container+div');

Which jQuery function is used to prevent code from running, before the document is finished loading?

$(window).load()

$(document).ready()

$(document).load()

$(body).onload()

What character is used to identify a child combinator relationship?

plus (+)

medium

left carat (<)

right carat (>)

minus (-)

Which jQuery method is used to perform an asynchronous HTTP request?

jQuery.syncAjax

jQuery.asyncAjax()

jQuery.ajaxSetup()

jQuery.ajax()

What jQuery function is used to add HTML content just outside of a selection?

outside()

after()

more()

later()

What does the animate method do?

Allows you to create a cartoon using the DOM

Allows you to animate any CSS property controlled by an alphabetic value

Allows you to animate CSS property controlled by a numeric value

What is the correct way to check if an element has a specific class?

hasClass("foo", "bar");

$("#foo").hasClass(".bar");

$("#foo").hasClass("bar");

$("#foo").class('bar');

Which of the following is a subset of jQuery's CSS selectors?

attribute selectors

css3 selectors

universal selectors

All of these choices are subsets

child selectors

The following code is an example of ______: $('.tooltip').hide().fadeIn(9000).delay(1000).fade0ut(9000);

it ends a statement

statement

an effect that disables

Chaining

Which method is used to bind an event handler to existing and future matching elements?

attach();

click();

.on();

How should your JQuery code be wrapped so it executes only once the page has loaded?

$(document).ready(function () { /* Code goes here */ });

$(document).ready({ /* Code goes here */ });

$(document).ready(function { /* Code goes here */ });

document.ready(function () { /* Code goes here */ });

$(document).pageloadcomplete(function () { /* Code goes here */ });

What does the $.get() jQuery function do?

It fires a GET OBJECT request

It returns an object

It returns the DOM elements that are contained in the jQuery object.

It fires a GET AJAX request

Which selector will only return one element?

:one-based()

:nth-child()

:even

:odd

What method returns control of the $ identifier to other libraries?

.$()

.library()

medium

.noConflict()

.return()

Which term is given to the jQuery feature that allows the attachment of one function to another?

chaining

stringing

concatenation

outer join

What is the output of the following: $.each([1,2,3], function(){ document.write(this + 1); });

1231

"234"

undefined

223

What keyword can be used to refer to the element that triggered the event (in the event handler callback)?

this

that

event

element

What does $('#myDiv').load('page.html') do?

it loads the #myDiv on the contents of the 'page.html' browser

It adds the string 'page.html' as the contents of the #myDiv div.

it fires an AJAX request, fetches the result of page.html as text, and inserts it into the div

What is not a an AjaxEvent.

.ajaxRun()

.ajaxComplete()

.ajaxSend()

.ajaxError()

.ajaxStop()

Which jQuery method can be used to bind both the mouseover and the mouseout events?

toggle()

hover()

mouse()

change()

switch()

What does the following code do: $('#myDiv').trigger('click');

It makes a click on any element and creates a trigger.

It simulates a click on the element and runs all the event handlers associated with it.

When a click occurs the trigger is going to be activated.

It sets up a trigger. When a click occurs, the trigger is going to be activated.

What method checks for the presence of a class before applying or removing it?

.apply_remove()

medium

.checkPresence()

.toggleClass()

.checkFunction()

$(function(){ //executable code }); The executable code will be run:

after the DOM has loaded, but prior to anything else loading

after everything except other scripts are loaded

after all other javascript has been read and executed

before anything has loaded

after everything has loaded

What method selects the sibling element that immediately follows the current one?

next()

sibling()

medium

next_element()

next_sibling()

What term refers to the acceleration and deceleration that occurs during an animation?

resizing

easing

speeding

velocity

gradient

Given the following HTML code snippet: <div id="wrapper"> <div class="wText">...</div> ... <div class="wImg">...</div> ... <div class="wVideo">...</div> ... </div> How would you get a collection of all the items inside the "wrapper"?

$('#wrapper').find("all");

$('#wrapper').html();

$('#wrapper').contents();

$('#wrapper').children();

How to Remove from the queue all items that have not yet been run in jquery?

dequeue()

hide()

queue()

clearQueue()

What is $(fn); a shortcut for?

$( fn() ); // Shortcut to create or select elements using the string returned by the "fn" function.

$(window).on('load', fn);

$(document).ready(fn);

Which one will be found faster?

$('#element')

$('div#element')

$('.element')

$('div.element')

The "complete" callback in a jQuery AJAX request, is called only after...

the AJAX request is failed

if there is no "success" callback defined in the AJAX request

the AJAX request is successful without any errors

the AJAX request finishes, irrespective of error or success

For best performance in modern browsers, which of the following would you use to select all radio inputs?

$('[input.radio]');

$('.radio');

$('[type="radio"]');

$('[input="radio"]');

$('||radio');

how do you select the content document of an iframe on the same domain jQuery

.find()

.children()

.contents()

.filter()

Which of these is NOT a pseudoclass?

:before

:last

:first

:next

:after

How to set default options for all future AJAX requests?

.ajaxSend()

jQuery.ajax()

.ajaxStart()

jQuery.ajaxSetup( options )

By default, the outerWidth(true) function returns the width of the element including

margin,border and padding

border and padding

margin and padding

margin and border

Which of the following selectors is NOT equivalent to the others?

:nth-child(1)

:first-child

:first

True or False? jQuery UI is part of jQuery.

True

False

What does this code do: $('#id1').animate({width:"250px"}, "slow").animate({height:"250px"}, "fast");

First the height animates, then the width animates.

First the width animates, then the height animates.

Both the width and height animates at the same time.

Which of the following is NOT a custom jQuery form selector?

:selected

:checkbox

:enabled

:form

What does the filter() method do in this: $('div').filter('.nav')

it sifts through all divs and leaves only those contained within a .nav element

The filter funtion is run when the DOM is initialized

it filters all the ('.nav') and leaves only the divs

it sifts through all the divs and leaves only those with the nav class

What does the following code do? $(".foobar").find(".foo").fadeOut();

Fade out of elements matching ".foobar"

Fade out of elements matching ".foo" that are descendants of elements matching ".foobar"

Fade out of all descendants of elements matching ".foo" inside those matching ".foobar"

Fade out of all children of elements matching ".foobar"

How do I pull a native DOM element from a jQuery object?

$("#foo[0]");

$( "#foo" ).get(native[ 0 ]);

$( "#foo" ).get( 0 );

$( "#foo" ).find(native[ 0 ]);

Which of the following will get the CURRENT COORDINATES of the first element in the set of matched elements, RELATIVE TO THE DOCUMENT?

position()

offset()

pos()

coord()

<div id="MyDiv">Two</div> <div id="MyDiv">One</div> <div id="MyDiv">Five</div> Given the above HTML What would the output of the following code be? var myDivText = $('#MyDiv').text() console.log(myDivText)

Five

One

Undefined

Null

Two

$(".clicker").click(function() { $('link[rel=stylesheet]').attr('href' , $(this).attr('rel')); }); The above is used to do what?

Reload the currently selected stylesheet upon clicking the element with class "clicker"

Change the stylesheet loaded in the page upon clicking the element with class "clicker"

Nothing, it returns a console.log error

Adds the contents of another stylesheet to the currently loaded one upon clicking the element with class "clicker"

What method allows us to remove values that were previously set using jQuery.data()?

.clearQueue()

.dequeue()

.removeData()

.data().remove()

Which can be used to detect broken images?

image.elements()

$("img").isBroken()

image.error()

$("img").error(callbackFunction)

$("img").error()

What is the name of a function that intercepts combinations of user actions?

combo function

medium

user generated event

user function

compound event handler

What is the difference between $('#element').remove() and $('#element').detach()

detach() removes the element from the DOM, while remove() only removes jQuery data.

remove() removes the element from the DOM, while detach() only removes jQuery data.

detach() removes the element along with all the jQuery data, whereas remove() only removes it from the DOM.

remove() removes the element from the DOM along with any jQuery data, while detach() only removes the element from the DOM.

How can you get the number of paragraphs in the html document using jQuery?

$('p').count()

$('p').length

count($('p'))

$('p').length()

$('p').count

What index value does the :nth-child() selector starts with?

What does this return: $(".class").attr("id");

The value of the 'id' attribute for all the elements in the set of matched elements

The value of the 'id' attribute for the first element in the set of matched elements

The value of the 'class' attribute for the first element in the set of matched elements

Nothing

What does the serialize() method do: $('#myForm').serialize();

fetches the names and values in all input fields and creates a JSON representation of the form

fetches the names and values in all input fields, and returns them as an object.

fetches the names and values of all the input fields contained in the form, and generates a URL encoded string representation

fetches the code and makes it numeric.

How do you get the value of the selected radio button in a group of radio buttons with the name of 'radioName'?

$('#myForm', 'input[name=radioName]').is('checked').val()

$('input[name=radioName]:first').val()

None of these

$('input[name=radioName]:checked', '#myForm').val()

True or False: .position() accepts an optional argument as a selector

false

true

What will be the value of "display" css property of the following tag? $('span').hide(); $('span').show();

It will vary depending the value of the span's initial display property

block

inherit

inline-block

inline

Which will NOT select the second "li" element?

$( "li:eq( 1 )" )

$( "li:eq( 2 )" )

$( "li:nth-child( 2 )" )

Event delegation:

Does not let you pause or delay the propagation of events

Is a technique that lets you separate event-handling code from other code

Allows you to register handlers before elements are added to the page

Allows you to trigger events on related DOM elements simultaneously

Which is not a type of selector?

Javascript Selector

Custom Selector

XPath Selector

CSS selector

What is an event handler?

A function that occurs during and after the event is executed.

A function that executes your code before the event occurs.

A function that executes your code as the event occurs.

A function that executes your code after the event occurs.

Which jQuery method animates the height of matched elements?

.height()

All of these

.slideToggle()

None of these

.slideHeight()

Which of the following syntaxes are equivalent to $(document).ready(handler)?

.ready()

.load()

All of these

$(handler)

What does this do? $("p").find("span").end().css("border", "2px red solid");

Selects all paragraphs, finds span elements inside these, go to the end of each paragraph, then apply CSS rule.

Selects all paragraphs, finds span elements inside these, and reverts the selection back to the paragraphs, then apply CSS rule.

Selects all paragraphs, apply CSS rule, then reverts the selection back to the spans.

Selects all spans, then apply CSS rule.

Which of the following will get the current coordinates (of the first element in the jQuery collection) relative to the offset parent?

relOffset()

relativePosition()

offset()

position()

Attribute Contains Prefix Selector is:

[name+="value"]

[name$="value"]

[name|="value"]

[name~="value"]

[name*="value"]

How can you add your own custom selectors to jQuery?

$.extend($.expression[':'], { name : function } or $.expression[':'].name = function(){}

You can not extend the selector engine, you have to create your own filter

$.extend($.expr[':'], { name : function }); or $.expr[':'].name = function(){}

What selector engine does jQuery use

CssQuery

Bouncer

jSelect

getElementsBySelector

Sizzle

What do you use jQuery.noConflict() for?

to restore the '$' to its previous owner.

to prevent other libraries from stealing the '$' function.

to make jQuery's $ function accessible by other libraries

To only have one javascript library on a page.

What does .delegate() allow you do, that .live() does not?

Override existing event listeners.

Capture events that are fired from parent DOM elements.

Attach the event handler to any DOM element.

Instantiate event listeners before the document is ready.

$("[id|=experience]") will select which ID?

What does the ".divClick" code snippet refers to in the following code snippet: $('div#id1').bind('click.divClick', function () {alert('A div was clicked');});

A div class

An event type

A namespace

An event function

A div ID

Which of these is NOT a valid way to initiate the document.ready call?

$(function() { /* Stuff here */ });

(function(x) { x(function() { /* Stuff here */ }); })(jQuery);

jQuery(document).ready(function($) { /* Stuff here */ })(jQuery);

$(document).ready(function() { /* Stuff here */ });

In what scenario will the alert box show? $(function(){ if(!$("p")) alert("hello"); });

When there are p tags on the page

It will never show.

When there are no p tags on the page

When there is more than one p tag on the page

What does the following return? $.inArray("foo", ["foo", "bar"]);

true

TRUE

True or false: The .blur() function can be bound to a form element to detect when a child element loses focus.

False

True

You can animate 'color' and 'background-color' properties.

True

False

We can delay execution of .css() with .delay()

false

true

which property in the event object can be used to get the key code of a key press event

event.which

event.keyCode

event.type

event.key

Assuming there are p tags on a page, what will be the result of the code below: $(function(){ $("p").hide("slow").show(); });

The opacity of all the p tags will be set to 0

A JavaScript error will occur.

The p tags will be hidden.

The p tags will collapse slowly and then appear.

True or False :jQuery method dequeue() used while creating animation effects removes all remaining queued functions from the selected elements

True

False