What does the event.preventDefault() method do?

What is the correct way to attach a load event to the window object?

A). window.onload = function() {}

B). window.addEventListener('load', function() {})

C). window.attachEvent('onload', function() {})

D). window.listen('load', function() {})

How can you remove an event listener from an element?

A). element.removeEventListener('click', handler)

B). element.detachEvent('click', handler)

C). element.off('click', handler)

D). element.remove('click', handler)

How do you bind an event handler to an element so it is called once and then removed?

A). element.addEventListenerOnce('click', handler)

B). element.once('click', handler)

C). element.addEventListener('click', handler, { once: true })

D). element.on('clickOnce', handler)

What is the correct syntax to prevent the default event action?

A). event.preventDefault()

B). event.stopPropagation()

C). event.prevent()

D). event.stopDefault()

How do you add an event listener to an element in JavaScript?

A). element.addEventListener('click', handler)

B). element.attachEvent('click', handler)

C). element.on('click', handler)

D). element.listen('click', handler)

What event occurs when an element loses focus?

A). blur

B). focus

C). focusout

D). unfocus

What is the purpose of the 'change' event?

A). It is triggered when an element's value changes

B). It is triggered when an element is clicked

C). It is triggered when the mouse moves over an element

D). It is triggered when the DOM is changed

How can you get the element that triggered the event?

A). event.target

B). event.srcElement

C). event.element

D). event.currentElement

What is the use of the event.stopPropagation() method?

A). Stops the default action of the event

B). Stops the event from propagating

C). Prevents the event from being fired

D). Prevents the event from bubbling

Which event is triggered when a user presses a key?

A). keypress

B). keyup

C). keydown

D). keyhit