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node_modules/es-abstract/2015/DayFromYear.js
| 12 lines
| 323 B
| application/javascript
| JavascriptLexer
|
r789 | 'use strict'; | |||
var GetIntrinsic = require('../GetIntrinsic'); | ||||
var $floor = GetIntrinsic('%Math.floor%'); | ||||
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.3 | ||||
module.exports = function DayFromYear(y) { | ||||
return (365 * (y - 1970)) + $floor((y - 1969) / 4) - $floor((y - 1901) / 100) + $floor((y - 1601) / 400); | ||||
}; | ||||