response.writeEarlyHints(hints)

• hints <Object>

向客户端发送状态 103 Early Hints，并带有 Link 头，表示用户代理可以预加载/预连接所链接的资源。hints 是一个对象，包含要随早期提示消息发送的头部值。

【Sends a status 103 Early Hints to the client with a Link header, indicating that the user agent can preload/preconnect the linked resources. The hints is an object containing the values of headers to be sent with early hints message.】

示例

const earlyHintsLink = '</styles.css>; rel=preload; as=style';
response.writeEarlyHints({
  'link': earlyHintsLink,
});

const earlyHintsLinks = [
  '</styles.css>; rel=preload; as=style',
  '</scripts.js>; rel=preload; as=script',
];
response.writeEarlyHints({
  'link': earlyHintsLinks,
}); 拷贝