CSS Property: border-top-color
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The CSS (CSS1) border-top-color property sets the
colour of the top border of an element. You should always specify the
border-style property before this property, as an element must have a border
before you can change its characteristics.
Valid property values
(other than inherit
and initial) are:
|
Value
|
Description
|
|
color
|
Specified CSS colour
|
|
transparent
|
Transparent
|
|
Default Value:
|
The current CSS colour of the element
|
|
JavaScript syntax:
|
e.g. object.style.borderTopColor="red"
|
|
Inherited:
|
No
|
|
Animatable:
|
Yes
|
EXAMPLE:
HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head>
<style>
p {border: thin solid black; width: 200px}
p.x1 {border-top-color: red;}
</style>
</head>
<body>
<p>1. Element with default property</p>
<p class="x1">2. Element set using in-file HTML style</p>
<p id="x2">3. Element set using JavaScript</p>
<script>
document.getElementById("x2").style.borderTopColor = "red";
</script>
</body>
</html>
|
FUNCTION THAT MAY ASSIST IN TESTING WHETHER FEATURE IS SUPPORTED:
function isSupportedCSSPropertyBorderTopColor() {
var x = document.createElement("DIV"); x.style.borderTopColor = "red"; return (window.getComputedStyle(x, null).borderTopColor == "red");
} |
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