Which event is triggered when a user presses a key?

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)

How do you stop event propagation?

A). event.preventDefault()

B). event.stopPropagation()

C). event.cancelBubble()

D). event.stop()

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

A). event.preventDefault()

B). event.stopPropagation()

C). event.prevent()

D). event.stopDefault()

What event is fired when an element's value is changed and then loses focus?

A). blur

B). change

C). focusout

D). input

Which event is triggered when a user clicks on an HTML element?

A). click

B). mouseclick

C). mousedown

D). mouseup

Which event is fired when a user double-clicks on an HTML element?

A). click

B). dblclick

C). doubleclick

D). clicktwo

How can you attach an event handler for a specific element when it is clicked?

A). element.onclick = function() {}

B). element.addEventListener('click', function() {})

C). element.attachEvent('onclick', function() {})

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

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() {})

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