Learn Batching From LLM

I was reviewing my old notebook and came across a piece of code that I took from somewhere many years ago. I asked Claude 3.7 Sonnet about this code, and here’s the conversation: Lei: Take a look at the following code: let timeout = null; const queue = new Set(); function process() { for (const task of queue) { task(); } queue.clear(); timeout = null; } function enqueue(task) { if (timeout === null) timeout = setTimeout(process, 0); queue.add(task); } I’m not sure how is this code useful. One scenario I can think of is modifying the DOM. Doing DOM manipulation in one batch might avoid reflow. But I’m fuzzy on details. Can you give me a concrete example? ...

March 30, 2025 · 8 min · Lei Huang