TypeScript Version: 4.0.2
Search Terms:
document getElementById
Expected behavior:
document.getElementById takes one case-sensitive parameter for an element-ID
Actual behavior:
The tooltip of document.getElementById tells me, that the parameter:

I can't even figure out where we got that wrong text from :\
Looks to probably be a manual override in the dom types generator: https://github.com/microsoft/TypeScript-DOM-lib-generator/blob/30fb5f4387cf1e45d3bedc069fe60f3348802a29/inputfiles/comments.json#L837
Most helpful comment
I can't even figure out where we got that wrong text from :\