fast-grid

World's most performant web table - Try it!

A multithreaded web table, capable of running 120fps while sorting/filtering/scrolling simultaneously.

Posting updates & soon video walk-through: https://x.com/GabrielPeterss4. DMs are open, curious to hear about use-cases or advise on how to use it :)

Capabilites

• Multithread sorting/filtering using a shared array buffer
• Display millions rows at O(1), you are only limited by browser RAM
• 120 fps while cruising the scrollbar
• Never drop a frame while filtering or sorting

Technical details

The most performant DOM-based grid.

• Uses a shared array buffer to store order/filtering of rows, computed in a web worker off-thread
• Resuses all part of DOM-tree
• Own event loop to prioritize tasks. Never drops a frame, even when filtering millions of rows
• Non-passive scrolling. Rows will never be seen rows loading into the UI while scrolling
• Custom virtualization and scrolling. Not limited by browsers 15 million pixel div height limit
• Custom built scrolling for phones, and runs at 60fps even on older phones

One million rows benchmark (M2 Max Pro)

zero copy datatype

TODO

• iphone safari has a very low memory limit - disable multithreading there
• expand synthetic event-loop to include scrolling & rendering cell contents
• can maybe make GC be a bit less expensive by reusing cell classes more..
• if user zoomed in/out scrollbar will navigate to fast/slow, needs to be relative to the scroll track
• sort/filter all columns, not just second lol
• resize columns
• custom cells (you can kinda already do this though, just add a new cell class)
• make sure rows are ordered correctly for text selection