Summary
ownerNode returns the node that associates this style sheet with the document.
Syntax
objRef = stylesheet.ownerNode
Example
<html>
<head>
<link rel="StyleSheet" href="example.css" type="text/css" />
<script>
function stilo() {
alert(document.styleSheets[0].ownerNode);
}
</script>
</head>
<body>
<button onclick="stilo()">ss</button>
</body>
</html>
// displays "object HTMLLinkElement"
Notes
For HTML, ownerNode may be the corresponding LINK or STYLE element. For XML, it may be the linking processing instruction. For style sheets that are included by other style sheets, the value of this attribute is NULL.
Specification
DOM Level 2 Styles - STYLESHEET