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 clarifies canonicalization with JavaScript

Google added a section on canonicalization best practices for JavaScript to the JavaScript SEO best practices document.

Google Updates JavaScript SEO Docs With Canonical Advice

Google updated its JavaScript SEO docs with new guidance on canonical URLs for JavaScript-rendered pages. Keep canonicals ...
InfoWorld

TypeScript vs. JavaScript: Understand the differences

The world wide web basically runs on JavaScript, HTML, and CSS. Unfortunately, JavaScript lacks several features that would help developers use it for large-scale applications. Enter TypeScript.
Search Engine Land

Using JavaScript to publish content? Here are 6 ways to view rendered HTML via desktop and mobile

Always test your pages using Google’s own tools and third-party resources to view the rendered HTML to make sure all your content is showing up. Google has come a long way with rendering JavaScript.

Google explains JavaScript execution on non-200 HTTP status codes

Google noted that if the HTTP status code is non-200 (for example, on error pages with 404 status code), rendering might be skipped.