ShadowRoot#innerHTML is non-standard API

[falsandtru]

Should be removed.

https://developer.mozilla.org/en-US/docs/Web/API/ShadowRoot/innerHTML
https://dom.spec.whatwg.org/#interface-shadowroot

TypeScript Version: 3.4.0-dev.201xxxxx

Search Terms:

Code

// A *self-contained* demonstration of the problem follows...
// Test this by running `tsc` on the command-line, rather than through another build tool such as Gulp, Webpack, etc.

Expected behavior:

Actual behavior:

Playground Link:

Related Issues:

[falsandtru]

Now documented in the spec.