I want to learn D3. I don`t want to learn Observable. Is that ok?

Hi there TigerZhao007, Welcome to Observable. I hope that you find this platform useful and the community welcoming. I empathize with the difficulties of encountering links to Observable notebooks via blocks.org examples. I too was surprised to find links to ‘standard’ blocks have started to point to Observable, such as with the Sankey, radial stacked bar, and Diamonds II… among others. I also often wish to use visualizations offline, in locally-hosted papers. As shown by my activity on thi...