增加用户预览位置接口

liusuyi

2024-05-08 c17dc5484bde25d032bf58d114a4f1598a301f31

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'use strict';
 
var Day = require('./Day');
var DayFromYear = require('./DayFromYear');
var YearFromTime = require('./YearFromTime');
 
// https://262.ecma-international.org/5.1/#sec-15.9.1.4
 
module.exports = function DayWithinYear(t) {
    return Day(t) - DayFromYear(YearFromTime(t));
};