Javascript DOM CSS Style borderBottom Property set

Introduction

Change the width, style and color of the bottom border of a <div> element: 

document.getElementById("myDiv").style.borderBottom = "thin dotted red";

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<!DOCTYPE html>
<html>
<head>
<style>
#myDiv {/*from ww  w .  j  a  v a 2 s.  c o m*/
  border: thick solid blue;
}
</style>
</head>
<body>

<div id="myDiv">This is a div element.</div>
<br>
<button type="button" onclick="myFunction()">Change bottom border</button>

<script>
function myFunction() {
  document.getElementById("myDiv").style.borderBottom = "thin dotted red";
}
</script>

</body>
</html>



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