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

Which event is triggered when a user presses a key?

A). keypress

B). keyup

C). keydown

D). keyhit

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 the user resizes the browser window?

A). resize

B). resizestart

C). resizeend

D). resizewindow

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

A). blur

B). change

C). focusout

D). input

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

What event occurs when an element loses focus?

A). blur

B). focus

C). focusout

D). unfocus

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

A). mouseenter

B). mouseleave

C). mouseover

D). mousemove

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)

Which event is fired when the form is submitted?

A). submit

B). send

C). post

D). formsubmit