<html>
<body>
<p id="myP" style="font-family:Arial,Helvetica,sans-serif;">This is a paragraph, shown in the Arial font.</p>
<button type="button" onclick="myFunction()">Return font</button>
<script>
function myFunction() {
alert(document.getElementById("myP").style.fontFamily);
}
</script>
</body>
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_style_fontfamily3 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:03:39 GMT -->
</html>