Javascript DOM CSS Style alignItems Property

Introduction

The alignItems property specifies the default alignment for items inside the flexible container.

Position the alignments for all the items of the flexible <div> element at the beginning of the container:

document.getElementById("main").style.alignItems = "flex-start";

Click the button to set the value of the alignItems property to "flex-start".

View in separate window

<!DOCTYPE html>
<html>
<head>
<style>
div#main {//from  w  ww  .  j av  a2  s.  c  o  m
  width: 220px;
  height: 300px;
  border: 1px solid black;
  display: flex;
  align-items: center;
}

div#main div {
  flex: 1;
}
</style>
</head>
<body>

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

<script>
function myFunction() {
  document.getElementById("main").style.alignItems = "flex-start";
}
</script>
</body>
</html>

Property Values

Value	Description
stretch	`Default`. stretched to fit the container
center	positioned at the center of the container
flex-start	positioned at the beginning of the container
flex-end	positioned at the end of the container
baseline	positioned at the baseline of the container
initial	Sets this property to its default value.
inherit	Inherits this property from its parent element.

The alignItems property returns a String representing the align-items property of an element.

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