javascript and DOM

Question 1

DOM stands for?

Answer 1

document object model

Question 2

what function overwrites contents of loaded page

Answer 2

.writeln()

Question 3

___ JavaScript can be invalid XML

Answer 3

Inline. space after “

Question 4

how can you hide a code from XML without using the comment blocks?

Answer 4

use CDATA

Question 5

What is DOM used for?

Answer 5

it applies to parsed HTML and XML content in DOM systems

defines objects and interfaces to access and manipulate it

Question 6

DOM 0 can address form controls using which attributes?

Answer 6

name

Question 7

what does eval() do?

Answer 7

eval() computes expression’s value and result replaces it

Question 8

what does onmouseover and onmouseout do?

Answer 8

onmouseover is when your mouse is hovering over that element it will then perform an action and onmouseout is when the mouse is no longer hovering over the element, how it would react.

Question 9

what is Nodes in DOM 1 hierarchy?

Answer 9

document whole HTML or XML document
element such as a table or tr
attribute of element such as class or id
text or CDATA
entity escape sequence like ♅ for symbol for uranus

Question 10

what is querySelector() and querySelectorAll()

Answer 10

querySelector() first node matching CSS selector argument. In querySelectorAll all the nodes matching CSS selector argument is chosen

Question 11

which version of DOM only applies to HTML and doesn’t consider XML

Answer 11

DOM 0

Question 12

which version of DOM views HTML components rendered in window as a hierarchy

Answer 12

DOM 0