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 fired when the page has finished loading?
A). unload
B). load
C). ready
D). DOMContentLoaded
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)
What event occurs when an element loses focus?
A). blur
B). focus
C). focusout
D). unfocus
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 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 a user double-clicks on an HTML element?
A). click
B). dblclick
C). doubleclick
D). clicktwo
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 fired when the mouse pointer is moved onto an element?
A). mouseenter
B). mouseleave
C). mouseover
D). mousemove
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)