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---
title: AuthenticatorResponse
slug: Web/API/AuthenticatorResponse
translation_of: Web/API/AuthenticatorResponse
---
<div>{{APIRef("Web Authentication API")}}{{securecontext_header}}</div>
<p>The <code><strong>AuthenticatorResponse</strong></code> interface of the <a href="/en-US/docs/Web/API/Web_Authentication_API">Web Authentication API</a> is the base interface for interfaces that provide a cryptographic root of trust for a key pair. The child interfaces include information from the browser such as the challenge origin and either may be returned from {{domxref("PublicKeyCredential.response")}}.</p>
<h2 id="Interfaces_based_on_AuthenticatorResponse">Interfaces based on AuthenticatorResponse</h2>
<p>Below is a list of interfaces based on the AuthenticatorResponse interface.</p>
<div class="index">
<ul>
<li>{{domxref("AuthenticatorAssertionResponse")}}</li>
<li>{{domxref("AuthenticatorAttestationResponse")}}</li>
</ul>
</div>
<h2 id="Properties">Properties</h2>
<dl>
<dt>{{domxref("AuthenticatorResponse.clientDataJSON")}}</dt>
<dd>A <a href="/en-US/docs/Learn/JavaScript/Objects/JSON">JSON</a> string in an {{domxref("ArrayBuffer")}}, representing the client data that was passed to {{domxref("CredentialsContainer.create()")}} or {{domxref("CredentialsContainer.get()")}}.</dd>
</dl>
<h2 id="方法">方法</h2>
<p>无</p>
<h2 id="示例">示例</h2>
<h3 id="Getting_an_AuthenticatorAssertionResponse">Getting an AuthenticatorAssertionResponse</h3>
<pre class="brush: js notranslate">var options = {
challenge: new Uint8Array([/* bytes sent from the server */])
};
navigator.credentials.get({ "publicKey": options })
.then(function (credentialInfoAssertion) {
var assertionResponse = credentialInfoAssertion.response;
// send assertion response back to the server
// to proceed with the control of the credential
}).catch(function (err) {
console.error(err);
});
</pre>
<h3 id="Getting_an_AuthenticatorAttestationResponse">Getting an AuthenticatorAttestationResponse</h3>
<pre class="brush: js notranslate">var publicKey = {
challenge: /* from the server */,
rp: {
name: "Example CORP",
id : "login.example.com"
},
user: {
id: new Uint8Array(16),
name: "jdoe@example.com",
displayName: "John Doe"
},
pubKeyCredParams: [
{
type: "public-key",
alg: -7
}
]
};
navigator.credentials.create({ publicKey })
.then(function (newCredentialInfo) {
var attestationResponse = newCredentialInfo.response;
}).catch(function (err) {
console.error(err);
});</pre>
<h2 id="规范">规范</h2>
<table class="standard-table">
<thead>
<tr>
<th scope="col">Specification</th>
<th scope="col">Status</th>
<th scope="col">Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{SpecName('WebAuthn','#authenticatorresponse', 'AuthenticatorResponse interface')}}</td>
<td>{{Spec2('WebAuthn')}}</td>
<td>Initial definition.</td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<p>{{Compat("api.AuthenticatorResponse")}}</p>
<h2 id="参见">参见</h2>
<ul>
<li>{{domxref("AuthenticatorAttestationResponse")}}</li>
<li>{{domxref("AuthenticatorAssertionResponse")}}</li>
<li>{{domxref("PublicKeyCredential.response")}}</li>
</ul>
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