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import toDate from "../toDate/index.js";
import requiredArgs from "../_lib/requiredArgs/index.js";
/**
* @name differenceInMilliseconds
* @category Millisecond Helpers
* @summary Get the number of milliseconds between the given dates.
*
* @description
* Get the number of milliseconds between the given dates.
*
* @param {Date|Number} dateLeft - the later date
* @param {Date|Number} dateRight - the earlier date
* @returns {Number} the number of milliseconds
* @throws {TypeError} 2 arguments required
*
* @example
* // How many milliseconds are between
* // 2 July 2014 12:30:20.600 and 2 July 2014 12:30:21.700?
* const result = differenceInMilliseconds(
* new Date(2014, 6, 2, 12, 30, 21, 700),
* new Date(2014, 6, 2, 12, 30, 20, 600)
* )
* //=> 1100
*/
export default function differenceInMilliseconds(dateLeft, dateRight) {
requiredArgs(2, arguments);
return toDate(dateLeft).getTime() - toDate(dateRight).getTime();
}
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