<html lang="en"><head> <meta charset="utf-8"> <title>JS Get Element's Style Demo</title></head><body> <p id="intro" style="color:red; font-size:20px;">This is a paragraph.</p> <p>This is another paragraph.</p> <script> // Selecting element var elem = document.getElementById("intro"); // Getting style information from element alert(elem.style.color); // Outputs: red alert(elem.style.fontSize); // Outputs: 20px alert(elem.style.fontStyle); // Outputs nothing </script></body></html>