2. Objects & their Event Handlers

3. To prevent error messages using javascript:void(...) you need one of the following:
    1) javascript:void('')
    2) javascript:void("")
    3) javascript:void(null)
    4) javascript:void(0)

4. Event Handlers

5. .js file

6. <SCRIPT> placement

7. if the browser runs into a tag it doesn't understand it will just ignore it

8. returns - number * number * number evaluates to single expression

9. & 10. global -vs- local - local variables are declared inside a function and is limited just to that function while global variables are declared outside a function so that it is accessible throughout the page