CSS Property: width
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The CSS (CSS1) width property indicates the width of
an element (excluding padding, borders and margins). It is overridden by the min-width or max-width
properties, if either of them are present.
Valid property values
(other than inherit
and initial) are:
|
Value
|
Description
|
|
length
|
Width as a CSS length
|
|
%
|
Width of element
defined as a percentage of width of its containing block
|
|
auto
|
(default value).
Browser determines width
|
|
Default Value:
|
auto
|
|
JavaScript syntax:
|
e.g. object.style.width="300px"
|
|
Inherited:
|
No
|
|
Animatable:
|
Yes
|
EXAMPLE:
HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head>
<style>
p {border: thin solid green;}
p.x1 {width: 200px;}
</style>
</head>
<body>
1. Element with default property<br>
<p>1</p><br>
2. Element set using in-file HTML style
<p class="x1">2</p><br>
3. Element set using JavaScript
<p id="x2">3</p>
<script>
document.getElementById("x2").style.width = "200px";
</script>
</body>
</html>
|
FUNCTION THAT MAY ASSIST IN TESTING WHETHER FEATURE IS SUPPORTED:
function isSupportedCSSPropertyWidth() {
var x = document.createElement("DIV"); x.style.width = "200px"; return (window.getComputedStyle(x, null).width == "200px");
} |
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