CSS Property: flex-basis
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The CSS (CSS3) flex-basis property indicates the
initial length of a flexible element. If an element is not a flexible element
then this property has no effect.
Valid property values
(other than inherit
and initial) are:
|
Value
|
Description
|
|
number
|
A length unit or
percentage specifying initial length of flexible item
|
|
auto
|
(default value). Length
is equal to length of flexible item or if not specified is set according to
context
|
|
Default Value:
|
auto
|
|
JavaScript syntax:
|
e.g. object.style.flexBasis="100px"
|
|
Inherited:
|
No
|
|
Animatable:
|
Yes
|
EXAMPLE:
HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head>
<style>
div.x1 {border: 1px solid blue;}
div.x2 {border: 1px solid blue; flex-basis: 25px;}
div.x2a {border: 1px solid blue; flex-basis: 50px;}
</style>
</head>
<body>
Element with default property<br>
<div style="width: 200px; display: flex;">
<div class="x1">1</div><div class="x1">2000</div>
</div><br>
Property set using in-file HTML style<br>
<div style="width: 200px; display: flex;">
<div class="x2">1</div><div class="x2a">2000</div>
</div><br>
Property set using JavaScript<br>
<div style="width: 200px; display: flex;">
<div id="x3">1</div><div id="x4">2000</div>
</div><br>
<script>
document.getElementById("x3").style.border = "1px solid blue";
document.getElementById("x4").style.border = "1px solid blue";
document.getElementById("x3").style.flexBasis = "25px";
document.getElementById("x4").style.flexBasis = "50px";
</script>
</body>
</html>
|
FUNCTION THAT MAY ASSIST IN TESTING WHETHER FEATURE IS SUPPORTED:
function isSupportedCSSPropertyFlexBasis() {
var x = document.createElement("DIV"); x.style.flexBasis = "25px"; return (window.getComputedStyle(x, null).flexBasis == "25px");
} |
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