Eduraize | jQuery Quiz 3 - Master Advanced jQuery Techniques with 25 Key Questions

01. Which jQuery method is used to stop the default action of an event?

$(event).stop();

$(event).cancel();

$(event).preventDefault();

$(event).haltDefault();

Explanation: The .preventDefault() method stops the default action of an event from occurring.

02. How do you add a new element after an existing element in jQuery?

$(existingElement).after(newElement);

$(existingElement).addAfter(newElement);

$(existingElement).insertAfter(newElement);

$(existingElement).appendAfter(newElement);

Explanation: The .after() method adds a new element immediately after an existing one.

03. How can you fade out an element with jQuery?

$(element).hideFade();

$(element).fadeInvisible();

$(element).fadeHide();

$(element).fadeOut();

Explanation: The .fadeOut() method gradually decreases the opacity of an element to make it invisible.

04. Which jQuery method is used to retrieve the value of a CSS property?

$(element).getCssValue("property");

$(element).retrieveCss("property");

$(element).css("property");

$(element).style("property");

Explanation: The .css() method is used to get the value of a specified CSS property.

05. Which jQuery method is used to load content from a server into a selected element?

$(element).serverLoad(url);

$(element).load(url);

$(element).getContent(url);

$(element).ajaxLoad(url);

Explanation: The .load() method loads data from the server into a selected element.

06. Which jQuery method is used to bind an event handler to elements?

$(element).attach("event", handler);

$(element).bindHandler("event", handler);

$(element).on("event", handler);

$(element).trigger("event", handler);

Explanation: The .on() method is used to attach an event handler to elements.

07. How can you remove all child nodes of an element in jQuery?

$(element).removeChildren();

$(element).empty();

$(element).clearAll();

$(element).deleteNodes();

Explanation: The .empty() method removes all child nodes of the selected element.

08. Which jQuery method is used to toggle the visibility of an element?

$(element).toggle();

$(element).switch();

$(element).toggleVisibility();

$(element).changeVisibility();

Explanation: The .toggle() method is used to show or hide an element depending on its current state.

09. How can you select all elements of a specific type (e.g., all '<div>' elements) in jQuery?

$("#div");

$(".div");

$("div#all");

$("div");

Explanation: The $("div") selector is used to select all '<div>' elements on the page.

10. Which jQuery method is used to check if a selected element has a specific class?

$(element).checkClass("className");

$(element).hasClassName("className");

$(element).containsClass("className");

$(element).hasClass("className");

Explanation: The .hasClass() method is used to check if the selected element has a specific class.

11. How can you get the width of an element, including padding, borders, and optionally margins, in jQuery?

$(element).getFullWidth();

$(element).widthIncludingMargin();

$(element).outerWidth(true);

$(element).outerWidth(false);

Explanation: The .outerWidth(true) method retrieves the width of an element, including padding, borders, and margins.

12. Which method in jQuery is used to stop event propagation?

$(event).preventEvent();

$(event).stopPropagation();

$(event).stopEvent();

$(event).haltPropagation();

Explanation: The .stopPropagation() method is used to prevent the event from propagating up the DOM hierarchy.

13. Which jQuery method is used to load data asynchronously from a server?

$(element).loadAsync("url");

$.getData("url");

$.ajax("url");

$.fetch("url");

Explanation: The $.ajax() method is used to load data asynchronously from a server.

14. How do you attach a one-time event handler to an element in jQuery?

$(element).once("event", handler);

$(element).singleEvent("event", handler);

$(element).one("event", handler);

$(element).attachOnce("event", handler);

Explanation: The .one() method attaches an event handler that executes only once for each matched element.

15. How can you check if an element is visible on the page in jQuery?

$(element).is(":visible");

$(element).isVisible();

$(element).checkVisible();

$(element).hasVisibility();

Explanation: The .is(":visible") method checks if the selected element is visible on the page.

16. Which method in jQuery is used to append content to an element?

$(element).addContent(content);

$(element).appendChild(content);

$(element).append(content);

$(element).addChild(content);

Explanation: The .append() method adds content to the end of the selected element.

17. How can you check if a selected element exists in the DOM using jQuery?

$(element).isPresent();

$(element).exists();

$(element).length > 0

$(element).checkExistence();

Explanation: If the length of the selected element is greater than 0, it exists in the DOM.

18. Which jQuery method is used to perform a slide-down animation?

$(element).slideDown();

$(element).showSlide();

$(element).revealSlide();

$(element).downSlide();

Explanation: The .slideDown() method creates a sliding-down animation for the selected element.

19. How can you get the text content of an element in jQuery?

$(element).getText();

$(element).fetchText();

$(element).text();

$(element).innerText();

Explanation: The .text() method is used to get or set the text content of the selected elements.

20. Which method is used to bind data to an element in jQuery?

$(element).setData("key", value);

$(element).bindData("key", value);

$(element).data("key", value);

$(element).storeData("key", value);

Explanation: The .data() method is used to store and retrieve data associated with an element.

21. How can you remove an element from the DOM using jQuery?

$(element).delete();

$(element).remove();

$(element).detach();

$(element).discard();

Explanation: The .remove() method removes the selected element and its children from the DOM.

22. Which method is used to stop the currently running animations in jQuery?

$(element).halt();

$(element).stop();

$(element).abort();

$(element).endAnimation();

Explanation: The .stop() method stops the currently running animation on the selected element.

23. Which method is used to add content to the beginning of an element in jQuery?

$(element).addFirst(content);

$(element).prependTo(content);

$(element).prepend(content);

$(element).appendFirst(content);

Explanation: The .prepend() method adds content to the beginning of the selected element.

24. Which jQuery method is used to determine the position of an element relative to the document?

$(element).offset();

$(element).findLocation();

$(element).getPosition();

$(element).position();

Explanation: The .offset() method retrieves the current position of an element relative to the document.

25. Which jQuery method is used to execute code after the DOM is fully loaded?

$(document).onload(function() { ... });

$(document).ready(function() { ... });

$(window).ready(function() { ... });

$(window).load(function() { ... });

Explanation: The $(document).ready() method executes code after the DOM is fully loaded.

jQuery Quiz 03

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