Style borderTopProperty
Style Object
Definition and Usage
The borderTop property sets or returns the three individual top border properties in shorthand form.
Through this property, you can set/return:
- border-top-width
- border-top-style
- border-top-color
Syntax
Setting the borderTop property:
Object.style.borderTop="width style color"
Returning the borderTop property:
Object.style.borderTop
Tip:The borderTop property has no default value.
| Parameters | Description |
|---|---|
| width | Sets the width of the top border. |
| style | Sets the style of the top border. |
| color | Sets the color of the top border. |
Browser Support
All major browsers support the borderTop property.
Example
Example
Change the width, style, and color of the top border:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Rookie Tutorial (example.com)</title>
<style type="text/css">
#ex1{
border: thin dotted #FF0000;
}
</style>
<script>
function displayResult(){
document.getElementById("ex1").style.borderTop="thick solid #0000FF";
}
</script>
</head>
<body>
<div id="ex1">This is some text.</div>
<br>
<button type="button" onclick="displayResult()">Modify top border</button>
</body>
</html>
<html>
<head>
<meta charset="utf-8">
<title>Rookie Tutorial (example.com)</title>
<style type="text/css">
#ex1{
border: thin dotted #FF0000;
}
</style>
<script>
function displayResult(){
document.getElementById("ex1").style.borderTop="thick solid #0000FF";
}
</script>
</head>
<body>
<div id="ex1">This is some text.</div>
<br>
<button type="button" onclick="displayResult()">Modify top border</button>
</body>
</html>
Try it yourself »
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