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)
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
Which event is triggered when a user clicks on an HTML element?
A). click
B). mouseclick
C). mousedown
D). mouseup
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() {})
Which event is triggered when the user resizes the browser window?
A). resize
B). resizestart
C). resizeend
D). resizewindow
Which event is fired when the form is submitted?
A). submit
B). send
C). post
D). formsubmit
How do you stop event propagation?
A). event.preventDefault()
B). event.stopPropagation()
C). event.cancelBubble()
D). event.stop()
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 event is fired when an element's value is changed and then loses focus?
A). blur
B). change
C). focusout
D). input
Which event is fired when the page has finished loading?
A). unload
B). load
C). ready
D). DOMContentLoaded