HTML DOM Style outline Property

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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

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>
Try it yourself »

Style Object

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