Window：isSecureContext 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 April 2018.

Window 接口的 isSecureContext 只读属性返回一个布尔值，指示当前上下文是安全的（true）还是不安全的（false）。

值

一个布尔值。

Specification
HTML # dom-issecurecontext-dev