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

Which event is fired when the page has finished loading?

A). unload

B). load

C). ready

D). DOMContentLoaded

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)

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

A). click

B). mouseclick

C). mousedown

D). mouseup

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

A). event.preventDefault()

B). event.stopPropagation()

C). event.prevent()

D). event.stopDefault()

Which event is triggered when a user presses a key?

A). keypress

B). keyup

C). keydown

D). keyhit

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

How do you stop event propagation?

A). event.preventDefault()

B). event.stopPropagation()

C). event.cancelBubble()

D). event.stop()

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)