CSS Property: border-left-width
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The CSS (CSS1) border-left-width property sets the width
of the left 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
|
|
length
|
Any specified thickness
as a CSS length
|
|
medium
|
(default value). Medium
width
|
|
thick
|
Thick width
|
|
thin
|
Thin width
|
|
Default Value:
|
medium
|
|
JavaScript syntax:
|
e.g. object.style.borderLeftWidth="4px"
|
|
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-left-width: thick;}
</style>
<link rel="stylesheet" type="text/css" href="Content\ExampleStyles.css">
</head>
<body>
<p>Element 1: a paragraph with a common border property (i.e. thin, solid, black)</p>
<p style="border-left-width: thick;">Element 2: a paragraph with a thick left border,
set using an in-line style</p>
<p class="x1">Element 3: as per Element 2 but set using an in-file style</p>
<p class="examplecssborderleftwidth">Element 4: as per Element 2 but set using an
external style sheet</p>
<p id="x2">Element 5: as per Element 2 but set using JavaScript</p>
<script>
document.getElementById("x2").style.borderLeftWidth = "thick";
</script>
</body>
</html>
|
FUNCTION THAT MAY ASSIST IN TESTING WHETHER FEATURE IS SUPPORTED:
function isSupportedCSSPropertyBorderLeftWidth() {
var x = document.createElement("DIV"); x.style.borderLeftWidth = "thick"; return (window.getComputedStyle(x, null).borderLeftWidth == "thick");
} |
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