CSS flex Property
CSS flex Property
CSS flex
property sets the flexible length on flexible items. It is a shorthand property of the following CSS properties
Example
<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
p+div{
display: flex;
width: 100%;
border: 1px solid #8c8c8c;
}
p+div > div{
height: 90px;
border: 1px solid #8c8c8c;
margin: 10px;
flex: 1;
-webkit-flex: 1;
}
#parent1 > div:nth-child(2){
flex: 2;
-webkit-flex: 2;
}
</style>
</head>
<body>
<h1>CSS flex Property</h1>
<p>The following div has all child with flex: 1;</p>
<div id="parent">
<div>Div 1</div>
<div>Div 2</div>
<div>Div 3</div>
</div>
<p>The following div has first and third child with flex: 1; and second child with flex: 2</p>
<div id="parent1">
<div>Div 1</div>
<div>Div 2</div>
<div>Div 3</div>
</div>
</body>
</html>
Syntax
Using CSS
element{
flex: 1;
}
Using Javascript
object.style.flex="1";
Animatable
Yes, flex property is animatable. CSS Animatable Properties Reference.
Default Value
Default value for CSS flex property is 0 1 auto.
Property Value
The following table provides a list of values for CSS flex
property.
Value | Explanation |
---|
flex-grow | Specifies how much of the remaining space in the flex container should be assigned to that item (the flex grow factor). |
flex-shrink | Specifies the flex shrink factor of a flex item. |
flex-basis | Specifies the initial main size of a flex item. |
Using JavaScript
In the following example, we will demonstrate how to change the CSS flex
property of an element using JavaScript.
Example
<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#parent{
display: flex;
width: 100%;
border: 1px solid #8c8c8c;
}
#parent > div{
height: 90px;
border: 1px solid #8c8c8c;
margin: 10px;
flex: 1;
-webkit-flex: 1;
}
</style>
</head>
<body>
<h1>CSS flex Property</h1>
<div id="parent">
<div>Div 1</div>
<div>Div 2</div>
<div>Div 3</div>
</div>
<button onclick="myFunction()">Click Me</button>
<script>
var x = document.getElementById("parent").firstElementChild;
function myFunction(){
x.style.flex = "2";
x.style.WebkitFlex = "2";
}
</script>
</body>
</html>
Reminder
Hi Developers, we almost covered 98.7% of CSS Tutorials with examples for quick and easy learning.
We are working to cover every Single Concept in CSS.
Please do google search for:
Join Our Channel
Join our telegram channel to get an instant update on depreciation and new features on HTML, CSS, JavaScript, jQuery, Node.js, PHP and Python.
This channel is primarily useful for Full Stack Web Developer.
Share this Page
Meet the Author