Throttle Function

Ensures a function is only called at most once every X milliseconds. Great for controlling scroll handlers and improving performance on frequent events.

JavaScript7/8/2025

#utilities#performance

JavaScript

function throttle(fn, limit = 300) {
  let lastCall = 0;
  return (...args) => {
    const now = Date.now();
    if (now - lastCall >= limit) {
      lastCall = now;
      fn.apply(this, args);
    }
  };
}

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