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)
How do you stop event propagation?
A). event.preventDefault()
B). event.stopPropagation()
C). event.cancelBubble()
D). event.stop()
What event occurs when an element loses focus?
A). blur
B). focus
C). focusout
D). unfocus
Which event is fired when the mouse pointer is moved onto an element?
A). mouseenter
B). mouseleave
C). mouseover
D). mousemove
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 triggered when the user resizes the browser window?
A). resize
B). resizestart
C). resizeend
D). resizewindow
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 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
Which event is triggered when a user presses a key?
A). keypress
B). keyup
C). keydown
D). keyhit
How can you get the element that triggered the event?
A). event.target
B). event.srcElement
C). event.element
D). event.currentElement