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<html><body><div id="myDiv" style="border-bottom:thick solid green">This is a div.</div><br><button type="button" onclick="myFunction()">Return bottom border color</button><script>function myFunction() { alert(document.getElementById("myDiv").style.borderBottomColor);}</script></body><!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_style_borderbottomcolor2 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:39:48 GMT --></html>