Week 12_Lesson 2
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Questions and Answers

What does the jQuery method slideUp() do?

  • Makes an element gradually disappear
  • Slides an element up, hiding it from view (correct)
  • Changes the background color of an element
  • Resizes an element to its original dimensions

    • The slideToggle() method can be used to alternate between sliding an element up and down.

    True

    What optional parameter can be specified in the jQuery animate() method to execute a function after the animation completes?

    callback

    In jQuery, the speed parameter can be specified as 'slow', 'fast', or ______.

    <p>milliseconds</p> Signup and view all the answers

    Which of the following jQuery methods is used to show an element by sliding it down?

    <p>slideDown()</p> Signup and view all the answers

    Match the jQuery methods with their descriptions:

    <p>slideUp() = Hides an element by sliding it up slideDown() = Shows an element by sliding it down animate() = Creates custom animations for CSS properties callback = Function executed after an animation completes</p> Signup and view all the answers

    The speed parameter in jQuery animations can only take predefined values such as 'slow' and 'fast'.

    <p>False</p> Signup and view all the answers

    What is the purpose of the jQuery animate() method?

    <p>To create custom animations for CSS properties.</p> Signup and view all the answers

    What does the jQuery slideToggle() method do?

    <p>It toggles between the slideUp() and slideDown() methods.</p> Signup and view all the answers

    The speed parameter for jQuery animations can only be specified in seconds.

    <p>False</p> Signup and view all the answers

    What is the purpose of the optional callback function in jQuery slide methods?

    <p>It executes a specified function after the sliding animation completes.</p> Signup and view all the answers

    In jQuery, slideUp() method can take values like 'slow', 'fast', or _____ milliseconds.

    <p>specified</p> Signup and view all the answers

    Match the jQuery method to its description:

    <p>slideUp() = Hides an element with a sliding motion upwards. slideDown() = Shows an element with a sliding motion downwards. slideToggle() = Toggles the visibility of an element by sliding. callback = A function executed after an animation completes.</p> Signup and view all the answers

    Which jQuery method would you use to hide a panel that is currently visible?

    <p>slideUp()</p> Signup and view all the answers

    The slideUp() method requires you to specify a speed for the animation.

    <p>False</p> Signup and view all the answers

    What styles are typically applied to the element that uses the slide methods in jQuery?

    <p>Padding, background-color, and borders are often applied.</p> Signup and view all the answers

    What is the function of the jQuery slideDown() method?

    <p>To slide down an element</p> Signup and view all the answers

    The slideToggle() method is used to only slide up elements.

    <p>False</p> Signup and view all the answers

    What parameters can be specified in the slideDown() method?

    <p>speed, callback</p> Signup and view all the answers

    The slideUp() method is used to slide ___ an element.

    <p>up</p> Signup and view all the answers

    Which of the following is NOT an acceptable value for the speed parameter in jQuery effects?

    <p>quickly</p> Signup and view all the answers

    The jQuery animate effects can occur instantly without any specified duration.

    <p>True</p> Signup and view all the answers

    What are the three possible values for the speed parameter in jQuery effects?

    <p>slow, fast, milliseconds</p> Signup and view all the answers

    What is the primary purpose of the jQuery slideToggle() method?

    <p>To toggle the visibility of an element by sliding it up and down</p> Signup and view all the answers

    Which value can the speed parameter for jQuery slide methods NOT take?

    <p>0 milliseconds</p> Signup and view all the answers

    What is the result when slideDown() is called on an element that is already visible?

    <p>The element will remain in its current position</p> Signup and view all the answers

    How does the slideUp() method respond when applied to an invisible element?

    <p>No action occurs on the element</p> Signup and view all the answers

    In the jQuery slideDown() method, what does the callback function do?

    <p>It executes after the sliding effect completes</p> Signup and view all the answers

    When using the slide methods, which of the following elements is NOT a necessary component in the jQuery syntax?

    <p>Callback function</p> Signup and view all the answers

    What is the expected behavior of the slideToggle() method when the element is initially hidden?

    <p>The element will slide down into view</p> Signup and view all the answers

    When would you typically use the slideDown() method in a web application?

    <p>To present additional options or information upon a user action like a click</p> Signup and view all the answers

    What does the chaining method in jQuery allow you to do?

    <p>Combine multiple jQuery methods in one statement.</p> Signup and view all the answers

    Which jQuery method can be combined with css() in a chaining example?

    <p>slideUp()</p> Signup and view all the answers

    What effect does the jQuery animate() method NOT support?

    <p>Animating events related to user interactions</p> Signup and view all the answers

    What is the correct syntax for specifying multiple properties in the jQuery animate() method?

    <p>$(selector).animate({property1: value1, property2: value2}, speed);</p> Signup and view all the answers

    What is NOT a required parameter for jQuery's animate() method?

    <p>callback</p> Signup and view all the answers

    In the provided code example, how long does the slideUp() duration last?

    <p>2000 milliseconds</p> Signup and view all the answers

    What happens to the element when the animate() method is used in the provided example?

    <p>It moves to the right to a left position of 250px.</p> Signup and view all the answers

    Which statement about the jQuery chaining and animate() methods is TRUE?

    <p>Chaining allows executing non-animation methods after animation methods.</p> Signup and view all the answers

    Which of the following statements is true regarding the slideToggle() method?

    <p>It alternates between slideUp() and slideDown() methods.</p> Signup and view all the answers

    What is the outcome when the slideUp() method is executed with a 'fast' speed parameter?

    <p>The element is hidden gradually at a rapid pace.</p> Signup and view all the answers

    Which properties are typically associated with the elements using jQuery slide methods?

    <p>They often have padding and background color defined.</p> Signup and view all the answers

    What is the primary purpose of the optional callback function in jQuery slide methods?

    <p>To execute additional code after the sliding animation completes.</p> Signup and view all the answers

    What would happen if the slideToggle() method is called on a panel that is already hidden?

    <p>The panel will become visible through a sliding down effect.</p> Signup and view all the answers

    Which of the following correctly describes the syntax for the slideUp() method?

    <p>$('#selector').slideUp(speed, callback);</p> Signup and view all the answers

    Which values can the speed parameter of jQuery slide methods accept?

    <p>'slow' or 'fast' or a numeric value</p> Signup and view all the answers

    What will the jQuery slideUp() method do to an element with multiple clicks in succession?

    <p>Subsequent clicks have no effect if the element is already hidden.</p> Signup and view all the answers

    Study Notes

    JavaScript jQuery Effects - Slide

    • jQuery slideDown() method slides an element down.
    • jQuery slideUp() method slides an element up.
    • jQuery slideToggle() method toggles between slideDown() and slideUp().
    • Chaining allows multiple jQuery methods to be used on the same element in a single statement

    JavaScript jQuery Effects - Animate

    • jQuery animate() method is used for custom animations.
    • Multiple CSS properties can be animated at the same time.
    • Relative values (e.g., += 150px) can be used for animations, based on the element's current value.
    • Predefined animation values "show", "hide", or "toggle" are possible options.
    • Queue functionality is used when multiple animations are applied consecutively; each animation is executed in sequence. Animations occur one at a time.
    • jQuery stop() method stops an animation or effect before it is finished.

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