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Style outline Property
Style Object
Definition and Usage
The outline property sets or returns all the outline properties, in a shorthand form.
Syntax
Set the outline property:
Object.style.outline="width style color|inherit"
Return the outline property:
Object.style.outline
Tip: There is no default value for the outline property.
| Parameter | Description |
|---|---|
| width | Sets the width of the outline |
| style | Sets the style of the outline |
| color | Sets the color of the outline |
| inherit | Specifies that the value of the outline property should be inherited from the parent element |
Browser Support
The outline property is supported in all major browsers.
Note: The outline property is not supported in IE7 and earlier. IE8 requires a !DOCTYPE. IE9 supports it.
Tips and Notes
An outline is a line around an element. It is displayed around the margin of the element. However, it is different from the border property.
The outline is not a part of the element's dimensions, therefore the element's width and height properties do not contain the width of the outline.
Example
Example
Change the width, style, and color of the outline around a div element:
<html>
<head>
<style type="text/css">
#ex1
{
border:1px solid red;
outline:green dotted thick;
}
</style>
<script>
function displayResult()
{
document.getElementById("ex1").style.outline="thick solid #0000FF";
}
</script>
</head>
<body>
<div id="ex1">This is some text.</div>
<br>
<button type="button" onclick="displayResult()">Change outline</button>
</body>
</html>
<head>
<style type="text/css">
#ex1
{
border:1px solid red;
outline:green dotted thick;
}
</style>
<script>
function displayResult()
{
document.getElementById("ex1").style.outline="thick solid #0000FF";
}
</script>
</head>
<body>
<div id="ex1">This is some text.</div>
<br>
<button type="button" onclick="displayResult()">Change outline</button>
</body>
</html>
Try it yourself »
Style Object
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