var addMilliseconds = require('../add_milliseconds/index.js')
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/**
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* @category Millisecond Helpers
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* @summary Subtract the specified number of milliseconds from the given date.
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*
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* @description
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* Subtract the specified number of milliseconds from the given date.
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*
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* @param {Date|String|Number} date - the date to be changed
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* @param {Number} amount - the amount of milliseconds to be subtracted
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* @returns {Date} the new date with the milliseconds subtracted
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*
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* @example
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* // Subtract 750 milliseconds from 10 July 2014 12:45:30.000:
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* var result = subMilliseconds(new Date(2014, 6, 10, 12, 45, 30, 0), 750)
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* //=> Thu Jul 10 2014 12:45:29.250
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*/
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function subMilliseconds (dirtyDate, dirtyAmount) {
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var amount = Number(dirtyAmount)
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return addMilliseconds(dirtyDate, -amount)
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}
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module.exports = subMilliseconds
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