| Terms | Definitions | |
| window.open() | Adds some content to a page | |
| window.alert() | Changes the background colour of a page | |
| document.write() | Displays a message box | |
| document.body.style.backgroundColor | Cancels the event | |
| window.prompt() | Passes a parameter to a function | |
| javascript:void(0) | Creates a new window | |
| function fred(x) | an event that can trigger javascript | |
| onmouseover | A function that accepts a parameter | |
| mary('blue') | Displays a message and requests user input |