雷达历史查询按时间倒序

‘liusuyi’

2023-07-01 d4c8d8c629a08b392c185ff5fa34a6d4e46e1d4d

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'use strict';
 
var floor = require('./floor');
var modulo = require('./modulo');
 
var timeConstants = require('../helpers/timeConstants');
var msPerHour = timeConstants.msPerHour;
var HoursPerDay = timeConstants.HoursPerDay;
 
// https://262.ecma-international.org/5.1/#sec-15.9.1.10
 
module.exports = function HourFromTime(t) {
    return modulo(floor(t / msPerHour), HoursPerDay);
};