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HTML | DOM nodeValue Property

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  • Difficulty Level : Medium
  • Last Updated : 10 Aug, 2022
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The HTML DOM nodeValue Property is used to describe the property of a given node. Its used to set or get the nodeValue in Any Html document. Prerequisites DOM (Document Object Model)

Syntax: 

var x = document.getElementById("nodeId").firstChild;
x.nodeType;
x.nodeName;
x.nodeValue;

Parameters: 
No parameters required.

Return value: The HTML nodeValue property return the following type of values 

  • null: for element and document nodes.
  • attribute value: for any attribute.
  • content: for any text node or comment nodes.

Example: Following example create a paragraph tag which is “divId” 
And provide a button which produces paragraph tag properties and return its value to a tag whose id is “GeeksForGeeks”.

HTML




<!DOCTYPE html>
<html>
<head>
    <title>
        HTML | DOM nodeValue Property
    </title>
</head>
 
<body>
  <center>
    <h1 style="color:green">GeeksforGeeks</h1>
     
<p>
      Click the button get the node value of
      the first button element in the document.
    </p>
 
    <button onclick="myFunction()">Try it</button>
    <p id="geeks"></p>
 
    <script>
        function myFunction() {
            var g = document.getElementsByTagName("BUTTON")[0];
            var f = g.childNodes[0].nodeValue;
            document.getElementById("geeks").innerHTML = f;
        }
    </script>
  </center>
</body>
</html>

Output: 
Before clicking the button: 

After clicking the button: 

Supported Browsers: The browser supported by DOM nodeValue properties are listed below: 

  • Google Chrome 1 and above
  • Edge 12 and above
  • Internet Explorer 6 and above
  • Firefox 1 and above
  • Opera 12.1 and above
  • Safari 1 and above
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