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<html><body><h1>The Window Object</h1><h2 id="test" style="background-color:lightblue">The getComputedStyle() Method</h2><p>The computed styles for the test element are:</p><p id="demo"></p><script>const element = document.getElementById("test");const cssObj = window.getComputedStyle(element, null);let text = "";for (x in cssObj) { cssObjProp = cssObj.item(x) text += cssObjProp + " = " + cssObj.getPropertyValue(cssObjProp) + "<br>";}document.getElementById("demo").innerHTML = text;</script></body></html>