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Test your basic knowledge |
Jquery
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 32 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. Elements - #id tags - .classNames tag.className tag#id.className * all elements
Selectors & Filters
Showing / Hiding Elements
Wrapping - Replacing & Removing Content
Types of Selectors
2. Events are connected and disconnected from elements using the bind() and unbind() functions - bind(event,data,handler) - $(selector) .bind(event, data, handler) - .unbind(event,handler) - $selector .unbind(event,handler)
Inserting Content (Move stuff around within DOM)
Event Functions
Event Functions - Specialized Tasks
DOM Document object model
3. jQuery selectors return an array of objects that match the selection criteria. jQuery filters operate on a selector to further refine the results array that the selector returns as jquery objects.
Event Functions - Specialized Tasks
jQuery Statement Chaining
attr function
Selectors & Filters
4. Event handlers are used to invoke some code when a certain action happens. When you want some behavior or action to be triggered when a user does something on the page you use an event handler. When an event happens - it has "fired" and when we write
Event Handler
Event Functions
Showing / Hiding Elements
Callback Function
5. Elements can be faded in and out or to a certain opacity. You can also control speed. fadeIn(speed, callback) - fadeOut(speed, callback) - fadeTo(speed, opacity, callback)
Sliding Page Elements
Fading Elements In and Out
jquery.ui.com/demos
Showing / Hiding Elements
6. To create a custom animation for properties on page elements call the animate() function - animate(params, duration, easing, callback) - animate(params, options) - stop()
Working with CSS Positioning
Instance
$(this)
Creating Custom Animations
7. jQuery provides ways for working with events that is simpler than relying on the DOM. Makes it easy to assign event handlers to groups of elements by using selectors and filters - Binding/Unbinding - Unified Event Object - Convenience Features
Selectors & Filters
jquery.ui.com/demos
Object
jQuery Events
8. Elements can be hidden immediately or over a specific period of time - show() - Displays element if they are hidden - show(speed, callback) - hide() - Hides the element - hide(speed,callback) - toggle() - Toggles display of matched element - toggle(s
$
Helper Functions - Common Events
Showing / Hiding Elements
Object
9. One of jQuery's most powerful features is its ability to chain multiple functions together to perform several operations in one line of code - $(selector) .fn1() .fn2() .fn3(); functions are executed in order.
jQuery Statement Chaining
Object
attr function
Working with CSS Positioning
10. jQuery provides several functions for inserting content into the document (DOM) before and after existing elements - append(content) - Appends after content inside - appendTo(selector) - prepend(content) - Appends before content inside - prependTo(se
Handlers
Types of jQuery filters
jQuery Statement Chaining
Inserting Content (Move stuff around within DOM)
11. Handlers are any functions that you write to handle events.
Fading Elements In and Out
Showing / Hiding Elements
Handlers
Working with CSS Sizing Information
12. jQuery provides a single object with the most important properties - type - Type of the event ("click", e.g.) - target - Element that issued event - data - data passed to bind function - pageX, pageY - result - timestamp - preventDefault() - isDefaul
Handlers
Event Object
Instance
Wrapping - Replacing & Removing Content
13. To use these you would download the jqueryui and reference it.
Instance
API
jquery.ui.com/demos
Advanced selectors
14. When you create a web page and load it in a web browser it takes the document you have written and turns it into an object. Each HTML document loaded into a browser window becomes a Document object. So the DOM represents the web page that is currentl
Event Object
Event Handler
jQuery Statement Chaining
DOM Document object model
15. The CSS positioning functions provide cross-browser way for figuring out the positions of elements - offset() - offsetParent() - position() - scrollTop() - scrollTop(val) - scrollLeft() - scrollLeft(val)
Working with CSS Positioning
Callback Function
Inserting Content (Move stuff around within DOM)
Advanced selectors
16. jQuery library supplies basic animation and effects functions that perform common visual effects. ( showing/hiding - Fading in and out - Moving elements around the screen)
Event Functions
jQuery Events
Event Functions - Specialized Tasks
Animation and Effects
17. To retrieve cross browser sizing information for elements - use the jQuery size-related CSS functions - height() - height(val) - width() - width(val) - innerHeight() - innerWidth( - outerHeight(margin) - outerWidth(margin)
Wrapping - Replacing & Removing Content
Creating Custom Animations
Object
Working with CSS Sizing Information
18. An object is a self contained collection of data which comes in two forms properties and methods. A property is a variable belonging to an object. A method is a function that the object can invoke. These properties and methods are all combined into o
Object
Event Object
Handlers
jQuery Events
19. Callback functions specify code that needs to run after the effect has finished. Not all but many methods accept callbacks. The callback function is called after the animation is 100% finished. The callback parameter is a function to be executed afte
Callback Function
jQuery Statement Chaining
$(this)
DOM Document object model
20. Basic - Content - Visibility - Attribute - Child - Form.
Types of jQuery filters
Event Object
jquery.ui.com/demos
Event Functions
21. $(selector) .one(type, data, handler) - $(selector) .trigger(event, data) - $(selector) .triggerHandler(event, data)
Event Functions - Specialized Tasks
Callback Function
Handlers
attr function
22. Use jQuery's attr functions to inspect or change the value of an attribute on elements: attr(name) - attr(properties) - attr(key, value) - attr(key, fn) - removeAttr(name)
Showing / Hiding Elements
Callback Function
Working with CSS Information
attr function
23. Several "helper" functions can perform common event-related tasks - click(fn) - $(selector) .click(fn) - hover(fnOver, fnOut) - toggle(fn1, fn2, fn3, fn4...)
Creating Custom Animations
Helper Functions - Common Events
Inserting Content (Move stuff around within DOM)
Types of Selectors
24. When an event fires - use (this) to refer to the element that fired it. This provides a nicer way to talk about the element that fired the event - rather having to re-select it.
Working with CSS Positioning
Callback Function
$(this)
API
25. Provides a pre-built set of functionality giving pages a nice look - Interactions: drag - drop - resize - selectable - sortable - Widgets: Accordian - datepicker - progressbar - dialog - slider - tabs - Effects: Add class - remove class - toggle clas
Creating Custom Animations
jQuery UI Library
Sliding Page Elements
Fading Elements In and Out
26. jQuerys CSS functions provide easy - cross browser access for setting properties and working with positioning and sizing information. The css() function allows you to retrieve and set CSS styles for a set of matched elements. - Functions: css(name) -
Working with CSS Information
Inserting Content (Move stuff around within DOM)
Event Functions
Wrapping - Replacing & Removing Content
27. Application programming interface. An API is an abstraction that defines and describes an interface for the interaction with a set of functions used by components of a software system. The software providing the functions described by an API is said
API
Callback Function
Working with CSS Sizing Information
Selectors & Filters
28. This is the jQuery object. $ ("document").ready(function () { Your Code }); This is where all of jQuery's functionality is accessed from.
Handlers
$
Working with CSS Information
jQuery UI Library
29. jQuery can wrap existing content in the page - replace content - copy content and remove it - wrap(html) - wrap(element) - wrapAll(html) - wrapAll(element) - wrapInner(html) - wrapInner(element) - replaceWith(content) - replaceAll(selector) - empty()
attr function
Sliding Page Elements
Wrapping - Replacing & Removing Content
Object
30. Sliding effects is another way to reveal page elements. You can also toggle the slide animation - slideDown(speed, callback) - slideUp(speed, callback) - slideToggle(speed, callback)
Types of jQuery filters
jQuery Statement Chaining
Sliding Page Elements
Advanced selectors
31. selector - selector .class1.class2 - parent>child - ancestor descendant - prev+next - prev~siblings.
Advanced selectors
Helper Functions - Common Events
Handlers
Wrapping - Replacing & Removing Content
32. An instance is an individual example of a generic object.
Sliding Page Elements
Showing / Hiding Elements
Instance
Animation and Effects