Write the code necessary to do the following:
- Select the section with an id of container without using querySelector.
- Select the section with an id of container using querySelector.
- Select all of the list items with a class of “second”.
- Select a list item with a class of third, but only the list item inside of the ol tag.
- Give the section with an id of container the text “Hello!”.
- Add the class main to the div with a class of footer.
- Remove the class main on the div with a class of footer.
- Create a new li element.
- Give the li the text “four”.
- Append the li to the ul element.
- Loop over all of the lis inside the ol tag and give them a background color of “green”.
- Remove the div with a class of footer