Location：hostname 属性
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
值
字符串。
示例
js
console.log(window.location.hostname);
// developer.mozilla.org
const anchor = document.createElement("a");
anchor.href = "https://developer.mozilla.org:4097/";
console.log(anchor.hostname === "developer.mozilla.org");
// 端口号未包含在主机名中
规范
| Specification |
|---|
| HTML # dom-location-hostname-dev |