The DOM setNamedItem() method set a node specified in its parameter to an attribute node using its name in an HTML document.
Syntax
Following is the syntax −
node.setNamedItem(node);
Example
Let us see an example of setNamedItem() method −
<!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%; } .btn{ background:#0197F6; border:none; height:2rem; border-radius:2px; width:50%; margin:2rem auto; display:block; color:#fff; outline:none; cursor:pointer; } </style> </head> <body> <h1>DOM setNamedItem() method Demo</h1> <p>Hi! I'm a para element in HTML with some random text</p> <button onclick="set()" class="btn">Set Attribute using setNamedItem() method</button> <script> function set() { var p=document.querySelector("p"); var attr=document.createAttribute("style"); attr.value="color:#db133a;font-size:1.2rem;"; p.attributes.setNamedItem(attr); } </script> </body> </html>
Output
This will produce the following output −
Click on “Set Attribute using setNamedItem() method” button to set attribute on element.