---
title: NodeList.keys()
slug: Web/API/NodeList/keys
translation_of: Web/API/NodeList/keys
---
<p>{{APIRef("DOM")}}</p>

<p><code><strong>NodeList.keys()</strong></code> 메서드는 이 객체에 포함된 모든 키를 통과할 수 있는 {{jsxref("Iteration_protocols",'iterator')}} 를 반환합니다. 이 키는 부호없는 정수형(<code>unsigned integer</code>) 입니다.</p>

<h2 id="Syntax">Syntax</h2>

<pre class="syntaxbox">nodeList.keys();</pre>

<h3 id="Return_value">Return value</h3>

<p>{{jsxref("Iteration_protocols","iterator")}}를 반환합니다.</p>

<h2 id="Example">Example</h2>

<pre class="brush: js;highlight:[13]">var node = document.createElement("div");
var kid1 = document.createElement("p");
var kid2 = document.createTextNode("hey");
var kid3 = document.createElement("span");

node.appendChild(kid1);
node.appendChild(kid2);
node.appendChild(kid3);

var list = node.childNodes;

// Using for..of
for(var key of list.keys()) {
   console.log(key);
}
</pre>

<p>결과는 다음과 같습니다 :</p>

<pre>0
1
2
</pre>

<h2 id="Specifications">Specifications</h2>

<table class="standard-table">
 <tbody>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Status</th>
   <th scope="col">Comment</th>
  </tr>
  <tr>
   <td>{{SpecName('DOM WHATWG','#interface-nodelist','keys() (as iterable)')}}</td>
   <td>{{Spec2('DOM WHATWG')}}</td>
   <td>Initial definition</td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_compatibility">Browser compatibility</h2>



<p>{{Compat("api.NodeList.keys")}}</p>

<h2 id="See_also">See also</h2>

<ul>
 <li>{{domxref("Node")}}</li>
 <li>{{domxref("NodeList")}}</li>
</ul>