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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:42:52 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:42:52 -0500
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+---
+title: HTMLFormElement.elements
+slug: Web/API/HTMLFormElement/elements
+translation_of: Web/API/HTMLFormElement/elements
+---
+<div>{{APIRef("HTML DOM")}}</div>
+
+<p><span class="seoSummary">The {{domxref("HTMLFormElement")}} property <code><strong>elements</strong></code> returns an {{domxref("HTMLFormControlsCollection")}} listing all the form controls contained in the {{HTMLElement("form")}} element.</span> Independently, you can obtain just the number of form controls using the {{domxref("HTMLFormElement.length", "length")}} property.</p>
+
+<p>You can access a particular form control in the returned collection by using either an index or the element's {{domxref("Element.name", "name")}} or {{domxref("Element.id", "id")}}.</p>
+
+<p>Prior to HTML 5, the returned object was an {{domxref("HTMLCollection")}}, on which <code>HTMLFormControlsCollection</code> is based.</p>
+
+<div class="note">
+<p><strong>Note:</strong> Similarly, you can get a list of all of the forms contained within a given document using the document's {{domxref("Document.forms", "forms")}} property.</p>
+</div>
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="syntaxbox notranslate"><em>nodeList</em> = <em>HTMLFormElement</em>.elements
+</pre>
+
+<h3 id="Value">Value</h3>
+
+<p>An {{domxref("HTMLFormControlsCollection")}} containing all non-image controls in the form. This is a live collection; if form controls are added to or removed from the form, this collection will update to reflect the change.</p>
+
+<p>The form controls in the returned collection are in the same order in which they appear in the form by following a preorder, depth-first traversal of the tree. This is called <strong>tree order</strong>.</p>
+
+<p>{{page("/en-US/docs/Web/API/HTMLFormElement", "Elements that are considered form controls")}}</p>
+
+<h2 id="Example">Example</h2>
+
+<h3 id="Quick_syntax_example">Quick syntax example</h3>
+
+<p>In this example, we see how to obtain the list of form controls as well as how to access its members by index and by name or ID.</p>
+
+<pre class="brush: html notranslate">&lt;form id="my-form"&gt;
+ &lt;input type="text" name="username"&gt;
+ &lt;input type="text" name="full-name"&gt;
+ &lt;input type="password" name="password"&gt;
+&lt;/form&gt;</pre>
+
+<pre class="brush:js notranslate">var inputs = document.getElementById("my-form").elements;
+var inputByIndex = inputs[0];
+var inputByName = inputs["username"];
+</pre>
+
+<h3 id="Accessing_form_controls">Accessing form controls</h3>
+
+<p>This example gets the form's element list, then iterates over the list, looking for {{HTMLElement("input")}} elements of type <code><a href="/en-US/docs/Web/HTML/Element/input/text">"text"</a></code> so that some form of processing can be performed on them.</p>
+
+<pre class="brush: js notranslate">var inputs = document.getElementById("my-form").elements;
+
+// Iterate over the form controls
+for (i = 0; i &lt; inputs.length; i++) {
+ if (inputs[i].nodeName === "INPUT" &amp;&amp; inputs[i].type === "text") {
+ // Update text input
+ inputs[i].value.toLocaleUpperCase();
+ }
+}
+</pre>
+
+<h3 id="Disabling_form_controls">Disabling form controls</h3>
+
+<pre class="brush: js notranslate">var inputs = document.getElementById("my-form").elements;
+
+// Iterate over the form controls
+for (i = 0; i &lt; inputs.length; i++) {
+ // Disable all form controls
+ inputs[i].setAttribute("disabled", "");
+}
+</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('HTML WHATWG', '#dom-form-elements', 'HTMLFormElement.elements')}}</td>
+ <td>{{ Spec2('HTML WHATWG') }}</td>
+ <td></td>
+ </tr>
+ <tr>
+ <td>{{SpecName("DOM2 HTML", "html.html#ID-76728479", "HTMLFormElement.elements")}}</td>
+ <td>{{Spec2("DOM2 HTML")}}</td>
+ <td>Initial definition</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+
+
+<p>{{Compat("api.HTMLFormElement.elements")}}</p>