29 lines
684 B
JavaScript
29 lines
684 B
JavaScript
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(function() {
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window.throttle = function(func, wait) {
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var args, result, thisArg, timeoutId, lastCalled = 0;
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function trailingCall() {
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lastCalled = new Date;
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timeoutId = null;
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result = func.apply(thisArg, args);
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}
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return function() {
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var now = new Date,
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remaining = wait - (now - lastCalled);
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args = arguments;
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thisArg = this;
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if (remaining <= 0) {
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clearTimeout(timeoutId);
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timeoutId = null;
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lastCalled = now;
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result = func.apply(thisArg, args);
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} else if (!timeoutId) {
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timeoutId = setTimeout(trailingCall, remaining);
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}
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return result;
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};
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};
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})();
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