JavaScript Tutorial/Style/backgroundColor
backgroundColor
<html>
<head>
<title>Style Example</title>
<script type="text/javascript">
function getColor() {
var oDiv = document.getElementById("myDiv");
alert(oDiv.style.backgroundColor);
}
</script>
</head>
<body>
<div id="myDiv" style="background-color: red; height: 50px; width: 50px"></div><br />
<input type="button" value="Get Background Color" onclick="getColor()" />
</body>
</html>
div.style.backgroundColor="#00f";
<html>
<head>
<title>PrettyPretty</title>
<script type="text/javascript">
document.onclick=changeElement;
function changeElement() {
var div = document.getElementById("div1");
div.style.backgroundColor="#00f";
div.style.width="500px";
div.style.color="#fff";
div.style.height="200px";
div.style.paddingLeft="50px";
div.style.paddingTop="50px";
div.style.fontFamily="Verdana";
div.style.fontSize="2em";
div.style.border="3px dashed #ff0";
div.style.position="absolute";
div.style.left="200px";
div.style.top="100px";
div.style.textDecoration="underline";
}
</script>
</head>
<body>
<div id="div1">
This is a DIV element. Click me to see the change.
</div>
</body>
</html>
Get and set node background color
<html>
<head>
<title>The Node</title>
<script type="text/javascript">
function outputNodeProps(nd) {
var strNode = "Node Type: " + nd.nodeType;
strNode += "\nNode Name: " + nd.nodeName;
strNode += "\nNode Value: " + nd.nodeValue;
if (nd.style) {
var clr = "red";
nd.style.backgroundColor=clr;
strNode += "\nbackgroundColor: " + clr;
}
alert(strNode);
}
</script>
<body onload="outputNodeProps(document)">
<div id="div1">
<h1>Header</h1>
</div>
</body>
</html>