Which node type represents the root-node of the DOM tree?

The popular notion that a tree's age can be determined by counting number of internal rings in its trunk is generally true. Howeevr, to help regulate the internal temperature of the tree, the outermost layers of wood of the Brazilian ash often →peel away when the temperature exceeds 95 degrees Fahrenheit, leaving the tree with fewer rings than it would otherwise have. So only if the temperature in the Brazilian ash's environment never exceeds 95 degrees Fahrenheit →elav eing the tree with fewer rings than it would otherwise have. So only if the reliable measure of the tree's age. Which of the following is an assumption on whish the argument above depends?

A

The growth of new rings in a trees is not a function of levels of precipitation.

B

Only the Brazilaian ash loses rings because of excessive heat.

C

One day of temperatures above 95 degrees Fahrenheit will cause the Brazilian ash to lose one ring.

D

The internal rings of all tress are of uniform thickness

Which of the following Node object property returns the node immediately before a node?

A

previousSibling

B

textContent

C

index

D

localName

Which of the following Node object property returns the local part of the name of a node?

A

lastName

B

localName

C

firstName

D

objectname

Which of the following Node types have a node value equal to null?

A

Document

B

DocumentFragment

C

DocumentType

D

All of the mentioned

The node directly above a node is called

A

sibling

B

child

C

parent

D

ancestors

Which of the following is a type of HTML DOM?

A

Legacy DOM

B

W3C DOM

C

IE4 DOM

D

All of the mentioned

Which of the following frameworks focuses on DOM and Ajax utilities?

A

jQuery

B

Prototype

C

Dojo

D

Both jQuery and Prototype

Which method is used to compare the placement of two nodes in the DOM hierarchy (document)?

A

compareDocumentPosition()

B

cloneNode()

C

getUserData()

D

getFeature()

Which of the following gets converted to DOM elements by the rendering engine?

A

Tokens

B

Strings

C

Address

D

Characters

Which of the following has a lesser benchmark time for using JQuery to access DOM versus pure JavaScript in milliseconds?

A

Chrome JQueryDOM_

B

Chrome JSDOM_benc

C

Firefox JQueryDOM_

D

Firefox JSDOM_benc

Which node type represents the root-node of the DOM tree?

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