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Showing content from https://developer.mozilla.org/en-US/docs/Web/API/Node/childNodes below:

Node: childNodes property - Web APIs

In this article

Value

A live NodeList containing the children of the node.

Note: Several calls to childNodes return the same NodeList.

Examples Simple usage

// Note that para is an object reference to a <p> element

// First check that the element has child nodes
if (para.hasChildNodes()) {
  let children = para.childNodes;

  for (const node of children) {
    // Do something with each child as children[i]
    // NOTE: List is live! Adding or removing children will change the list's `length`
  }
}

Remove all children from a node

// This is one way to remove all children from a node
// box is an object reference to an element
while (box.firstChild) {
  // The list is LIVE so it will re-index each call
  box.removeChild(box.firstChild);
}

Specifications Browser compatibility

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