Question 1

To represent an element name in the nodeName property, only lowercase letters are used.

Accepted Answer

The nodeName property of an element node in an XML document represents the name of the element, and it is always in lowercase.

Question 2

One advantage of the counter variable method over familial references method is that it also provides the flexibility to insert new nodes into a document within the for loop without having to recalculate the length of the child nodes collection.

Accepted Answer

False

Question 3

When the node.nodeType property returns a value of 8, it indicates that the node is a comment.

Accepted Answer

A node with nodeType property value of 8 is a comment node.

Question 4

The node.childNodes describes a collection of all of the nodes that are direct children of node .

Accepted Answer

The node.childNodes property indeed describes a collection of all the nodes that are direct children of a given node.

Question 5

The selectorText property can only be used to read the text of a Cascading Style Sheets (CSS) rule.

Accepted Answer

The selectorText property can be used to both read and modify the text of a CSS rule's selector.

Question 6

The node .previousSibling expression describes the sibling after node.

Accepted Answer

The node.previousSibling expression describes the sibling before node, not after node.

Question 7

The style sheet properties that are read-only cannot be changed in JavaScript.

Accepted Answer

Read-only properties cannot be changed through JavaScript code.

Question 8

Each parent node can contain only one child node.

Accepted Answer

Each parent node can contain multiple child nodes in a tree data structure.

Question 9

The contents of an HTML file are arranged in a hierarchical structure, starting from the root html element itself and moving down to the text strings contained within individual page elements.

Accepted Answer

This is correct, as the HTML file is structured like a tree with the root element at the top and the nested child elements below it.

Question 10

An index value of 0 inserts a CSS rule at the end of a style sheet.

Accepted Answer

An index value of 0 inserts a CSS rule at the beginning of a style sheet, not at the end.

Question 11

Element nodes do not have a value for the nodeValue property.

Accepted Answer

Element nodes do not have a value for the nodeValue property since their content is stored in child nodes such as text nodes or other element nodes.

Question 12

The document object model supports several methods to create, attach, and set the values of attributes.

Accepted Answer

The document object model (DOM) provides methods to create, attach, and set the values of attributes.

Question 13

All the versions of Internet Explorer before IE9 do not support element node properties.

Accepted Answer

Versions of Internet Explorer before IE9 do not support element node properties such as .textContent, .classList, and .dataset.

Question 14

The innerHTML property is equally effective for large document structures as it is for small fragments of HTML code.

Accepted Answer

The innerHTML property can be inefficient for large document structures because it replaces all the content of an element, which can lead to performance issues. It is more effective for small fragments of HTML code.

Question 15

To create or set an attribute for an element, the createAttribute () method is used.

Accepted Answer

The answer of To create or set an attribute for...

Question 16

The node.nodeType property returns the value of a node.

Accepted Answer

The node.nodeType property returns the type of a node, not its value.

Question 17

An attribute node contains an attribute that can be attached to an element node.

Accepted Answer

An attribute node is used to add additional information to an element node and can be attached to it.

Question 18

The insertrule() method is used to add style rules to an embedded style sheet.

Accepted Answer

The insertrule() method is used to insert a new rule into a CSS style sheet in the specified position. It takes two arguments: the selector and the declaration block.

Question 19

The node .firstElementChild property is applicable only to element nodes.

Accepted Answer

The .firstElementChild property returns the first child element of the selected element node. It is not applicable to non-element nodes like text nodes, comment nodes, etc.

Question 20

Style sheets loaded into a web document, both external sheets and embedded style sheets, are part of an object collection .

Accepted Answer

External and embedded style sheets are both considered part of the collection of objects contained within a web document.

Quiz 12: Working With Document Nodes and Style Sheets Tutorial