jsdom

Describe the feature you'd like:

As far as I understand it, the toHaveDisplayValue matcher takes some kind of input element and computes the value that the user can see.
However, it does not work properly for range widgets (e.g. <input type="range">, but also elements with role="range" or role="slider").

According to the [standard](https://www.w3.org/TR/wai-aria-1.1/#aria-valu

hello simon

In my project jest-environment-jsdom-global can run normally，
But jslint will prompt me 'Cannot find name 'jsdom'

my tslint version is "^5.10.0",should i ignore this waring?

The result doesn't look as nice when using the dark theme of Chrome DevTools :(

Expected result:

(Works well i