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13 lines
323 B
JavaScript
13 lines
323 B
JavaScript
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'use strict';
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var GetIntrinsic = require('../GetIntrinsic');
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var $floor = GetIntrinsic('%Math.floor%');
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// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.3
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module.exports = function DayFromYear(y) {
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return (365 * (y - 1970)) + $floor((y - 1969) / 4) - $floor((y - 1901) / 100) + $floor((y - 1601) / 400);
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};
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