Javascript DOM CSS Style alignSelf Property

Introduction

Set the alignments for one of the items inside a flexible element to fit the container:

document.getElementById("myBlueDiv").style.alignSelf = "stretch";

Click the button to set the value of the alignSelf property to "stretch".

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<!DOCTYPE html>
<html>
<head>
<style>
#main {// ww w.ja  va  2 s.  c om
  width: 220px;
  height: 300px;
  border: 1px solid black;
  display: flex;
  align-items: flex-start;
}

#main div {
  flex: 1;
}

#myBlueDiv {
  align-self: center;
}
</style>
</head>
<body>

<div id="main">
  <div style="background-color:coral;">RED</div>
  <div style="background-color:lightblue;" id="myBlueDiv">BLUE</div>
  <div style="background-color:lightgreen;">Green div with more content.</div>
</div>
<button onclick="myFunction()">Test</button>

<script>
function myFunction() {
  document.getElementById("myBlueDiv").style.alignSelf = "stretch";
}
</script>

</body>
</html>

The alignSelf property specifies the alignment for the selected item inside the flexible container.

The alignSelf property overrides the flexible container's alignItems property.

Property Values

Value	Description
auto	`Default`. The element inherits its parent container's align-items property, or "stretch" if it has no parent container
stretch	The element is positioned to fit the container
center	The element is positioned at the center of the container
flex-start	The element is are positioned at the beginning of the container
flex-end	The element is positioned at the end of the container
baseline	The element is positioned at the baseline of the container
initial	Sets this property to its default value.
inherit	Inherits this property from its parent element.

The alignSelf property returns a String representing the align-self property of an element.

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