Animation MCQs with Explanations

You can use JavaScript to create a complex animation which includes but not limited to: 1. Fireworks 2. Fade Effect 3. Roll-in or Roll-out 4. Page-in or Page-out 5. Object movements

The setTimeout(function, duration) calls function after duration milliseconds from now.

The clearTimeout(setTimeout_variable) call clears any timer set by the setTimeout() functions.

The property object.style.left = distance in pixels or points sets distance from left edge of the screen.

The setInterval(function, duration) calls function after every duration milliseconds.

The getElementbyId() is used to get the DOM object in JavaScript by simply calling that function associated with the HTML document.

The image source is defined as image.src = “/images/html.gif”.

The Image() constructor creates and preloads a new image object.

The onMouseOver event handler is triggered when the user’s mouse moves onto the link.

The onMouseOut event handler is triggered when the user’s mouse moves away from the link.

You can use JavaScript to create client side image map.

Client side image maps are enabled by the usemap attribute for the “img” tag and defined by special “map” and “area” extension tags.

The special tags used for image mapping are map and area.

The “map” element actually creates the map for the image and usually follows directly after the “img ” element.

The area element specifies the shape and the coordinates that define the boundaries of each clickable hotspot.

All of the above mentioned are the properties of a navigator.

The platform[] property is a string that contains the platform for which the browser was compiled.”Win32″ for 32-bit Windows operating systems.

The preference(name,value) method allows a signed script to get and set some Netscape preferences. If the second parameter is omitted, this method will return the value of the specified preference; otherwise, it sets the value. Netscape only.

The preference(name,value) method allows a signed script to get and set some Netscape preferences. If the second parameter is omitted, this method will return the value of the specified preference; otherwise, it sets the value. Netscape only.

The userAgent[] property is a string that contains the code name and version of the browser. This value is sent to the originating server to identify the client.