Javascript DOM CSS Style borderBottomColor Property

Introduction

Change the color of the bottom border of a <div> element to red:

document.getElementById("myDiv").style.borderBottomColor = "red";

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

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

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

</body>
</html>

The borderBottomColor property sets or gets the color of the bottom border of an element.

Property Values

Value	Description
color	Set the color of the bottom border. `Default` color is black
transparent	The color of the bottom border is transparent
initial	Sets this property to its default value.
inherit	Inherits this property from its parent element.

The borderBottomColor property returns a String representing the color of an element's bottom border.

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