HTML DOM previousSibling Property

HTML Web Development Front End Technology

The DOM previousSibling property returns the previous node in the same tree level of the specified node in an HTML document.

Syntax

Following is the syntax −

node.previousSibling

Example

Let us see an example of previousSibling property −

Live Demo

<!DOCTYPE html>
<html>
<head>
<style>
   html{
      height:100%;
   }
   body{
      text-align:center;
      color:#fff;
      background: linear-gradient(62deg, #FBAB7E 0%, #F7CE68 100%) center/cover no-repeat;
      height:100%;
   }
   p{
      font-weight:700;
      font-size:1.2rem;
   }
   .drop-down{
      width:50%;
      border:2px solid #fff;
      font-weight:bold;
      padding:8px;
   }
   ul{
      list-style-type: none;
      padding:0;
   }
   .btn{
      background:#0197F6;
      border:none;
      height:2rem;
      border-radius:2px;
      width:50%;
      margin:2rem auto;
      display:block;
      color:#fff;
      outline:none;
      cursor:pointer;
   }
   .show{
      font-size:1.5rem;
      font-weight:bold;
   }
</style>
</head>
<body>
<h1>DOM previousSibling Property Demo</h1>
<p>Hi, My favourite subjects are:</p>
<ul>
<li>Physics</li>
<li id="chemistry">Chemistry</li>
<li>Maths</li>
<li>English</li>
</ul>
<button class="btn" onclick="showSibling()">Show Previous Sibling Of Chemistry</button>
<div class="show"></div>
<script>
   function showSibling() {
      var chemistry= document.querySelector("#chemistry");
      document.querySelector(".show").innerHTML=chemistry.previousSibling.innerHTML;
   }
</script>
</body>
</html>