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)
What is the correct syntax to prevent the default event action?
A). event.preventDefault()
B). event.stopPropagation()
C). event.prevent()
D). event.stopDefault()
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 fired when the page has finished loading?
A). unload
B). load
C). ready
D). DOMContentLoaded
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
What event occurs when an element loses focus?
A). blur
B). focus
C). focusout
D). unfocus
Which event is fired when the form is submitted?
A). submit
B). send
C). post
D). formsubmit
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