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

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 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

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

A). click

B). mouseclick

C). mousedown

D). mouseup

Which event is triggered when a user presses a key?

A). keypress

B). keyup

C). keydown

D). keyhit

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

A). click

B). dblclick

C). doubleclick

D). clicktwo

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)

Which event is fired when the page has finished loading?

A). unload

B). load

C). ready

D). DOMContentLoaded

Which event is fired when the form is submitted?

A). submit

B). send

C). post

D). formsubmit

What event occurs when an element loses focus?

A). blur

B). focus

C). focusout

D). unfocus