What event occurs when an element loses focus?
A). blur
B). focus
C). focusout
D). unfocus
Which event is fired when a user double-clicks on an HTML element?
A). click
B). dblclick
C). doubleclick
D). clicktwo
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 event is fired when an element's value is changed and then loses focus?
A). blur
B). change
C). focusout
D). input
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 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 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 triggered when a user clicks on an HTML element?
A). click
B). mouseclick
C). mousedown
D). mouseup
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 fired when the mouse pointer is moved onto an element?
A). mouseenter
B). mouseleave
C). mouseover
D). mousemove