22 lines
443 B
JavaScript
22 lines
443 B
JavaScript
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export default function throttle(fn, threshhold = 250, scope) {
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let last,
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deferTimer;
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return function() {
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const context = scope || this;
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let now = +new Date(),
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args = arguments;
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if (last && now < last + threshhold) {
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// hold on to it
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clearTimeout(deferTimer);
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deferTimer = setTimeout(() => {
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last = now;
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fn.apply(context, args);
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}, threshhold);
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} else {
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last = now;
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fn.apply(context, args);
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}
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};
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}
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