/**
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* Gets a timestamp that can be used in measuring the time between events. Timestamps
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* are expressed in milliseconds, but it is not specified what the milliseconds are
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* measured from. This function uses performance.now() if it is available, or Date.now()
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* otherwise.
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*
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* @function getTimestamp
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*
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* @returns {Number} The timestamp in milliseconds since some unspecified reference time.
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*/
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var getTimestamp;
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if (
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typeof performance !== "undefined" &&
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typeof performance.now === "function" &&
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isFinite(performance.now())
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) {
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getTimestamp = function () {
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return performance.now();
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};
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} else {
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getTimestamp = function () {
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return Date.now();
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};
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}
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export default getTimestamp;
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