Creating, Appending, and Inserting Elements and TextNodes

In this example we will use:

document.createElement("a tag like h1, p, ol, li")
document.createTextNode("some text")
element.appendChild("an element")
element.insertBefore("an element")

View this page in jsbin and uncomment these lines of JavaScript:

8 to see new heading 1
15 to see new paragraph
29 to see new ordered list with one item
39 to see ordered list populated from array
49 to insert new item at the top of the list