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HTML DOM NodeList.forEach() Method

  • Last Updated : 24 Jul, 2020

The forEach() method of the NodeList interface calls the callback given in parameter once for each value pair in the list, in insertion order.


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NodeList.forEach(callback, currentValue);


  • Callback: A function to execute on each element of NodeList. It accepts 3 parameters:
  • currentValue: The current element to be processed in NodeList.
  • currentIndex (Optional): The index of the currentValue being processed in NodeList.
  • listobj (Optional): The NodeList on which forEach() is being applied.
  • thisArg (Optional): Value to use as this when executing callback.

Return value: This method returns undefined.

Example: In this example, we will create a NodeList and hence will get all values from NodeList using this method.

    <meta charset="UTF-8">
    <title>HTML | DOM NodeList.forEach() Method</title>
<body style="text-align:center;">
    <h1 style="color:green;">  
HTML | DOM NodeList.forEach() Method
    <button onclick = "Geeks()">
    Click Here
    <p id="a"></p>
        var a = document.getElementById("a");
        a.innerHTML = "elements are : "
        function Geeks(){
           var parentNode = document.createElement("div"); 
            var c1 = document.createElement("p"); 
            var c2 = document.createElement("span"); 
            var c3 = document.createElement("h1"); 
            var nodelist = parentNode.childNodes;
            function(currentValue, currentIndex, listObj) {
            a.innerHTML += "<li>"+currentValue.localName + `</li>`;
                console.log(currentValue, currentIndex); 


Before Clicking Button:

After Clicking Button: Elements are called using forEach().

In the console: Element Values can be seen.

Supported Browsers:

  • Google Chrome
  • Edge
  • Firefox
  • Safari
  • Opera

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