HTML DOM NodeList forEach()

Execute a function for each of the document's child nodes:

const list = document.body.childNodes;

list.forEach(
  function(node, index) {
    text += index + " " + node;
  }
);

List the names of the document's child nodes:

const list = document.body.childNodes;

list.forEach(
  function(node) {
    text += node.nodeName;
  }
);

More examples below.

Description

The forEach() method executes a callback function for each node in a NodeList.

nodelist.forEach(function(currentValue, index, arr), thisValue)

function()	Required. A function to run for each node.
currentValue	Required. The value of the current node.
index	Optional. The index of the current node.
arr	Optional. The NodeList of the current node.
thisValue	Optional. Default `undefined`. A value passed to the function as its `this` value.

NONE

List the types of the document's child nodes:

const list = document.body.childNodes;

list.forEach(
  function(node) {
    text += node.nodeType;
  }
);

nodelist.forEach() is a DOM Level 4 (2015) feature.

It is supported in all modern browsers:


Chrome	Edge	Firefox	Safari	Opera
Yes	Yes	Yes	Yes	Yes

nodelist.forEach() is not supported in Internet Explorer 11 (or earlier).