Debouncing with Timers

Debouncing with Timers: working example

Run this standalone example in a modern browser console unless another environment is specified. Expected result: After at least about 25 ms, only Search: cat is logged.

function debounce(callback, delay) {
  let timer;
  return (...args) => {
    clearTimeout(timer);
    timer = setTimeout(() => callback(...args), delay);
  };
}
const search = debounce(query => console.log("Search:", query), 25);
search("c");
search("ca");
search("cat");

1. Expected result: After at least about 25 ms, only Search: cat is logged.
2. The wrapper closes over a single timer shared by its calls.
3. The example forwards arguments but intentionally does not preserve a method receiver; pass an arrow or bound callback if one is needed.