They call me DOM Module #32

Question 1

What are the two main objects developers interact with the most when working with the DOM API?

Answer 1

document.object and window.object

Question 2

What are the most common properties exposed by the window object?

Answer 2

1. console
2. document
3. history
4. location
5. localStorage
6. sessionStorage

Question 3

Which methods can be used on the window object ?

Answer 3

1. alert( )
2. postMessage( )
3. requestAnimationFrame( )
4. setInterval( )
5. setTimeout( )
6. setImmediate( )
7. addEventListener( )
8. removeEventListener( )

Question 4

The main way to “hook” into DOM elements is by using these selectors:

Answer 4

document. getElementByID( )
document. getElementsByTagName( )
document. getElementsByClassName( )
document. querySelector( )
docuement. querySelectorAll( )

Examples:

document. querySelector('#test')
document. querySelectorAll('.my-class')
document. querySelector('#test .my-class')
document. querySelector('a:hover')