📄 accessingstylesheetsexample3.htm
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<html>
<head>
<title>Accessing Style Sheets Example</title>
<style type="text/css">
div.special {
background-color: red;
height: 10px;
width: 10px;
margin: 10px;
}
</style>
<script type="text/javascript">
function changeBackgroundColor() {
var oCSSRules = document.styleSheets[0].cssRules || document.styleSheets[0].rules;
oCSSRules[0].style.backgroundColor = "blue";
}
</script>
</head>
<body>
<div id="div1" class="special"></div>
<div id="div2" class="special"></div>
<div id="div3" class="special"></div>
<input type="button" value="Change Background Color" onclick="changeBackgroundColor()" />
</body>
</html>
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