Google says don’t use JavaScript to generate 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: Don't Use NoIndex Tags In Pages That Use JavaScript

Google updated its JavaScript SEO documentation to warn against using a noindex tag in the original page code on JavaScript ...
Bleeping Computer

Phishing attack hides JavaScript using invisible Unicode trick

A new JavaScript obfuscation method utilizing invisible Unicode characters to represent binary values is being actively abused in phishing attacks targeting affiliates of an American political action ...