x
<html><head><style>#ex1 { color: red;}</style></head><body><h1>The removeProperty() Method</h1><p>Click the button to remove the color property.</p><button onclick="myFunction()">Try it</button><div id="ex1">Some text.</div><script>function myFunction() { var declaration = document.styleSheets[0].cssRules[0].style; var removedvalue = declaration.removeProperty("color"); alert(removedvalue);}</script></body></html>