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<html><body><p id="demo" style="font-weight:bold">This is a paragraph.</p><button type="button" onclick="myFunction()">Return font weight</button> <script>function myFunction() { alert(document.getElementById("demo").style.fontWeight);}</script></body><!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_style_fontweight3 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:39:51 GMT --></html>