Keeping window open and attached
Adding new file
Adding a click handler toa button in Internet Explorer
Adding a click handler toa button in other browsers
Adding a click handler to a button in different browsers including Internet Explorer
Add registerEventHandler to hold a different function depending on the browser
Removing events
passing the event object as an argument to the handler
Typing few characher in a field
Adding a handler that intercepts all mouse clicks and prints some information about them
getting rid of handler again
Finding correspondes of codes and key
Finding correspondes of codes and key
To know which character was typed
Adding normaliseEvent function
Making an HTTP reguest
Add HTTP object for to make a request
Add a property that contains the content of the retrieved document
Setting the request to be asynchronous
Add readyState property to indicate the state