Javascript DOM HTML Element previousElementSibling Property

Introduction

The previousElementSibling property returns the previous element of the specified element.

Get the HTML content of the previous sibling of a list item: 

var x = document.getElementById("item2").previousElementSibling.innerHTML;

Click the button to get the HTML content of the previous sibling of the second list item.

View in separate window 

<!DOCTYPE html>
<html>
<body>

<p>Example list:</p>

<ul>
  <li id="item1">CSS (first li)</li>
  <li id="item2">HTML (second li)</li>
  <li id="item3">Java (third li)</li>
</ul>/*ww w .  ja v a 2s .c o  m*/
<button onclick="myFunction()">Test</button>

<p id="demo"></p>

<script>
function myFunction() {
  var x = document.getElementById("item2").previousElementSibling.innerHTML;
  document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>

The previousSibling returns the previous sibling node as an element node, a text node or a comment node.

The previousElementSibling returns the previous sibling node as an element node, not including text and comment nodes.

This property is read-only.

Use the nextElementSibling property to return the next element of the specified element.

Use the children property to return any child element of a specified element.

The previousElementSibling property returns a Node object representing the previous sibling of an element, or null if there is no previous sibling.




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