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

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 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

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 occurs when an element loses focus?

A). blur

B). focus

C). focusout

D). unfocus

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

A). click

B). dblclick

C). doubleclick

D). clicktwo

Which event is fired when the form is submitted?

A). submit

B). send

C). post

D). formsubmit

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)

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() {})

Which event is triggered when a user presses a key?

A). keypress

B). keyup

C). keydown

D). keyhit

Which event is fired when the mouse pointer is moved onto an element?

A). mouseenter

B). mouseleave

C). mouseover

D). mousemove