?? [?b?kɡraund ?imid?] ?? [?b?k?ɡra?nd ???m?d?]
?? ???
?????? backgroundImage ?? ???
??: ??? ?? ???? ?????.
??: ??Object.style.BackgroundImage=url(URL)|none
????: url(URL) ???? ?????. ?? ?? ???? ????.?
??: ?? ???? ??? ? ?? ???? ????? ?? ?? ??? ?? ? ??? ?? ??? ?? ??? ?????.
?????? backgroundImage ?? ?
<html>
<head>
<script type="text/javascript">
function changeStyle()
{
document.body.style.backgroundColor="#FFCC80";
document.body.style.backgroundImage="url(http://img.php.cn/upload/article/000/005/656/5af270fd37755429.jpg)";
}
</script>
</head>
<body>
<input type="button" onclick="changeStyle()"
value="Set background image" />
</body>
</html>???? ?? ?
??? ????? ??? "???? ??" ??? ?????