NA

Correct Option: C

The screen object properties are availWidth, pixelDepth, width, height, colorDepth, availDepth. The total width of the screen is returned by width, height returns the total height of the screen, pixelDepth returns color resolution of the screen in pixels.

NA

Correct Option: A

There are two navigator object methods namely taintEnabled() and javaEnabled(). taintEnabled() the ability of the browser of data tainting. This method can’t be used in JavaScript 1.2 version. javaEnabled() method specifies whether Java is enabled in the browser or not.

NA

Correct Option: B

The navigator object properties are appVersion, cookieEnabled, appCodeName, geolocation, appName, product, userAgent, platform, online, language. Engine name of the browser is returned by product and the language of the browser is returned by language.

NA

Correct Option: A

Some of the window object methods are atob(), close(), focus(), blur(), alert(), clearInterval(), confirm(), btoa(), getComputedStyle(), open(), moveTo(), prompt(), matchMedia(), moveBy(), getSelection(), scroll(), setInterval(), stop(), setTimeout() etc.

NA

Correct Option: A

Window object properties are frames, history, frameElement, defaultStatus, closed, innerHeight, document, innerWidth, location, name, outerHeight, outerHeight, opener, pageXOffset, parent, screenTop, screen, screenLeft, screen, scroll, status, self, sessionStorage, top.