Javascript DOM CSS Style borderColor Property

Introduction

Change the color of the four borders of a <div> element to red: 

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

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<!DOCTYPE html>
<html>
<head>
<style>
#myDiv {//from  ww w .ja v 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 four borders</button>

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

</body>
</html>

The borderColor property sets or gets the color of an element's border.

This property can take from one to four values:

Value NumberExample Description
One valuep {border-color: red}all four borders will be red
Two valuesp {border-color: red transparent} top and bottom border will be red, left and right border will be transparent
Three values p {border-color: red green blue} top border will be red, left and right border will be green, bottom border will be blue
Four values p {border-color: red green blue yellow} top border will be red, right border will be green, bottom border will be blue, left border will be yellow

Property Values

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

The borderColor property returns a String, representing the color of an element's border.




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