How do you stop event propagation?
A). event.preventDefault()
B). event.stopPropagation()
C). event.cancelBubble()
D). event.stop()
How can you get the element that triggered the event?
A). event.target
B). event.srcElement
C). event.element
D). event.currentElement
Which event is fired when the mouse pointer is moved onto an element?
A). mouseenter
B). mouseleave
C). mouseover
D). mousemove
Which event is triggered when a user clicks on an HTML element?
A). click
B). mouseclick
C). mousedown
D). mouseup
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 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 event is fired when an element's value is changed and then loses focus?
A). blur
B). change
C). focusout
D). input
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 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)
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)