Google says don't use a noindex tag in the original page code

Google updated its JavaScript SEO basics documentation to clarify that may skip rendering and JavaScript execution.

Google Warns Noindex Can Block JavaScript From Running

Google updated its JavaScript SEO documentation to clarify that noindex tags may prevent rendering and JavaScript execution, ...

Google clarifies canonicalization with JavaScript

Google added a section on canonicalization best practices for JavaScript to the JavaScript SEO best practices document.
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Ask An SEO: My Content Can’t Be Seen When I Disable JavaScript – Will This Affect My SEO?

This week’s question comes from Thomas, who asks: I disabled the JavaScript just to check the content of my webpage, but unfortunately I could not see any content except the banner H1 tag. Will it ...