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<html><head><style>h1 { color: red; font-size: 50px;}</style><script>function myFunction() { var s = document.styleSheets[0].rules[0].style; var ruleObj = s.parentRule; document.getElementById("demo").innerHTML = ruleObj.cssText;}</script> </head><body><h1>The parentRule Property</h1><p>The parentRule property returns a CSSRule Object that represent the CSS rule for the specified style declaration.</p><button onclick="myFunction()">Display the CSS Rule</button><p id="demo"></p></body><!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_cssstyle_parentrule by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 05 Sep 2022 15:39:33 GMT --></html>