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HTML DOM previousSibling Property
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 −
<!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>Output
This will produce the following output −
Click on the “blue” button to get the previous sibling of the chemistry list item.
Updated on: 30-Jul-2019
47 Views
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