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
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 triggered when a user presses a key?
A). keypress
B). keyup
C). keydown
D). keyhit
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 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 does the event.preventDefault() method do?
A). Stops the event from propagating
B). Stops the default action of the event
C). Stops the event handler
D). Stops the event
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 fired when a user double-clicks on an HTML element?
A). click
B). dblclick
C). doubleclick
D). clicktwo
Which event is triggered when the user resizes the browser window?
A). resize
B). resizestart
C). resizeend
D). resizewindow