20 Câu Trắc Nghiệm jQuery Quiz

Posted by vkdt at Friday, April 03, 2015

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  Matches all elements that are checked or selected.

  Correct Answer: :checked

• Selects all elements of type checkbox.

  Your Answer: :checkboxAll
  Correct Answer: :checkbox

• Bind an event handler to the "change" JavaScript event on an element.

  Correct Answer: .change()

• Remove a callback or a collection of callbacks from a callback list.

  Your Answer: callbacks.removed()
  Correct Answer: callbacks.remove()

• Determine if the callbacks list has been locked.

  Correct Answer: callbacks.locked()

• Selects all button elements and elements of type button.

  Correct Answer: :button Selector

• Add a callback or a collection of callbacks to a callback list.

  Your Answer: callbacks.list()
  Correct Answer: callbacks.add()

• Disable a callback list from doing anything more.

  Correct Answer: callbacks.disable()

• Determine if the callbacks list has been disabled.

  Correct Answer: callbacks.disabled()

• Determine whether a supplied callback is in a list.

  Your Answer: callbacks.with()
  Correct Answer: callbacks.has()

• Lock a callback list in its current state.

  Your Answer: callbacks.remove()
  Correct Answer: callbacks.lock()

• Remove all of the callbacks from a list.

  Correct Answer: callbacks.empty()

• Call all of the callbacks with the given arguments.

  Your Answer: callbacks.fired()
  Correct Answer: callbacks.fire()

• Determine if the callbacks have already been called at least once.

  Correct Answer: callbacks.fired()

• Call all callbacks in a list with the given context and arguments.

  Correct Answer: callbacks.fireWith()

• What is the correct jQuery code to set the background color of all p elements to red?

  Your Answer: $("p").css("background-color"‚"red");
  Correct Answer: $("p").style("background-color","red");

• The______ method is used to represent an array or an object in serialize manner.

  Your Answer: None of these
  Correct Answer: param()

• How many methods are available in jquery to give fade effect to the elements.

  Your Answer: Four
  Correct Answer: Three

• CDN stands for______

  Your Answer: None of these
  Correct Answer: Content Distribution Network

• There are how many ways to check or unchecked the radio button.

  Your Answer: Four
  Correct Answer: Two