Script

If you are using Internet Explorer, hitting CTRL + F5 should suffice to fetch the latest versions.
No need to manually clear the browser cache.

If you are using Firefox or other Mozilla's children, hitting Shift+CTRL + R should fetch
the latest version with no need to clear the cache.

function buildTable(){
  docBody = document.getElementsByTagName("body").item(0)
  myTable = document.createElement("TABLE")
  myTable.id ="TableOne"
  myTable.border = 1
  myTableBody = document.createElement("TBODY")
  for (i = 0; i < 3; i++){
    row = document.createElement("TR")
    for (j = 0; j < 3; j++){
      cell = document.createElement("TD")
      cell.setAttribute("WIDTH","50")
      cell.setAttribute("HEIGHT","50")
      textVal = "Cell" + i + "_" + j
      textNode = document.createTextNode(textVal)
      cell.appendChild(textNode)
      row.appendChild(cell)
    }
  myTableBody.appendChild(row)
  }
  myTable.appendChild(myTableBody)
  docBody.appendChild(myTable)
}
window.onload = buildTable

/*
METHODS:
appendChild(child)
replaceChild(new,old)
removeChild(child)
insertBefore(new,ref)
  EX:
  newRow = document.createElement("TR")
  tableBody = document.getElementById("myTableBody")
  allRows = tableBody.getElementsByTagName("TR")
  lastRow = allRows.item(allRows.length-1)
  tableBody.insertBefore(newRow,lastRow)

hasChildNodes()

PROPERTIES:
nodeName
nodeType [element (1), attribute (2), text (3)]
nodeValue
parentNode
childNodes
firstChild
lastChild


OBS!
Fel:
removeChild("myTag")
Rätt:
removeChild(document.getElementById("myTag"))


S U M M E R I N G:

Document Methods:
------------------
getElementById(id)
Returns a reference to the named element. 

getElementsByTagName(name)
Returns a collection of all matching elements in the document. 

createElement(name)
Creates a new element of the type named. 

createTextNode(text)
Creates a new node of pure text. 


Element Methods:
------------------
getAttribute(id)
Returns the value of the named attribute. 

setAttribute(id,value)
Assigns a new value to the attribute. 

removeAttribute(id)
Removes the named attribute and its value. 

getElementsByTagName(name)
Returns a collection of all matching elements in the node. 


Node Methods:
------------------
appendChild(child)
Appends a new child node to the node. 

removeChild(child)
Removes a child node from the node. 

replaceChild(newChild,oldChild)
Replaces a child node with another one. 

insertBefore(newChild,refChild)
Inserts a child node before another child node in the hierarchy. 

hasChildNodes()
Returns a Boolean true if the node has children. 


Node Properties:
------------------
nodeName
Contains the name of node as a string. 

nodeType
Contains the type of the node as an integer. 

nodeValue
Contains the value of the node in an applicable format. 

parentNode
A reference to the parent node of this node. 

childNodes
A collection containing references to all child nodes of this node. 

firstChild
A reference to the first child node in the childNodes collection. 

lastChild
A reference to the last child node in the childNodes collection. 
*/