HTMLObjectElement：type 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.
HTMLObjectElement 接口的 type 属性返回一个反映 type HTML 属性的字符串，指定资源的 MIME 类型。
值
一个字符串。
规范
| Specification |
|---|
| HTML Standard # dom-object-type |
浏览器兼容性
BCD tables only load in the browser