Let us improve Sharepoint 2010.. i will be your party starter..
01.
<html><head></head><body
02.
<div id=
"MyStuff"
>
03.
You will see me <br>
04.
When nothing has been pressed
05.
</div>
06.
07.
<script type=
"text/javascript"
08.
function
changeText(){
09.
document.getElementById(
'MyStuff'
).innerHTML =
'<b>WOW you changed me !, this is funny</b>'
;
10.
}
11.
</script>
12.
<input type=
'button'
onclick=
'changeText()'
value=
'Change Text'
/>
13.
</body></html>