bacgrond set by js code example
Example 1: javascript style background color
// change background color for specific id ..
function changebackground(){
document.getElementById('id').style.backgroundColor = 'green' ;
}
// change background color for whole body..
function changebackground(){
document.body.style.backgroundColor = 'green';
}
Example 2: javascript change frame background
window.frames['frameName'].document.body.style.backgroundColor = "#000";