CSS Property: outline
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The CSS (CSS2) outline property is a shorthand
property combining (up to) 3 of the outline properties.
Valid property values (other
than inherit and initial) are defined
by the elements of the shorthand. Shorthand elements (in the order in which
they appear):
-
outline-color
-
outline-style
-
outline-width
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Default Value:
|
invert none medium
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JavaScript syntax:
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e.g. object.style.outline="2px solid red"
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Inherited:
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No
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Animatable:
|
See individual
properties
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EXAMPLE:
HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head>
<style>
div {width: 100px; height: 15px; border: 1px dotted black; padding: 5px;}
.x1 {outline: 2px solid blue}
</style>
</head>
<body>
Element with default property<br>
<div>abcdefgh</div><br><br>
Property set using in-file HTML style<br>
<div class="x1">abcdefgh</div><br><br>
Property set using JavaScript<br>
<div id="x2">abcdefgh</div>
<script>
document.getElementById("x2").style.outline = "2px solid blue";
</script>
</body>
</html>
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FUNCTION THAT MAY ASSIST IN TESTING WHETHER FEATURE IS SUPPORTED:
function isSupportedCSSPropertyOutline() {
var x = document.createElement("DIV"); x.style.outline = "2px solid blue"; return (window.getComputedStyle(x, null).outline == "2px solid blue");
} |
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