js: Date对象的使用方法

function Date()
    // 获取当前时间戳
    now: function now()
    // 解析时间格式的字符串为时间戳
    parse: function parse()
    prototype: 
        constructor: function Date()
        // 获取完整的年份(4位)
        getFullYear: function getFullYear()
        // 获取年份(2位)
        getYear: function getYear()
        // 获取月份(0-11, 0代表1月)
        getMonth: function getMonth()
        // 获取日(1-31)
        getDate: function getDate()
        // 获取星期(0-6,0代表星期天)
        getDay: function getDay()
        // 获取小时数(0-23)
        getHours: function getHours()
        //获取分钟数(0-59)
        getMinutes: function getMinutes()
        // 获取秒数(0-59)
        getSeconds: function getSeconds()
        // 获取毫秒数(0-999)
        getMilliseconds: function getMilliseconds()
        // 获取时间戳 (从1970.1.1开始的毫秒数)
        getTime: function getTime()
        // 获取时间戳
        valueOf: function valueOf()
        getTimezoneOffset: function getTimezoneOffset()
        getUTCDate: function getUTCDate()
        getUTCDay: function getUTCDay()
        getUTCFullYear: function getUTCFullYear()
        getUTCHours: function getUTCHours()
        getUTCMilliseconds: function getUTCMilliseconds()
        getUTCMinutes: function getUTCMinutes()
        getUTCMonth: function getUTCMonth()
        getUTCSeconds: function getUTCSeconds()
        setDate: function setDate()
        setFullYear: function setFullYear()
        setHours: function setHours()
        setMilliseconds: function setMilliseconds()
        setMinutes: function setMinutes()
        setMonth: function setMonth()
        setSeconds: function setSeconds()
        setTime: function setTime()
        setUTCDate: function setUTCDate()
        setUTCFullYear: function setUTCFullYear()
        setUTCHours: function setUTCHours()
        setUTCMilliseconds: function setUTCMilliseconds()
        setUTCMinutes: function setUTCMinutes()
        setUTCMonth: function setUTCMonth()
        setUTCSeconds: function setUTCSeconds()
        setYear: function setYear()
        toDateString: function toDateString()
        toGMTString: function toUTCString()
        toISOString: function toISOString()
        toJSON: function toJSON()
        toLocaleDateString: function toLocaleDateString()
        toLocaleString: function toLocaleString()
        toLocaleTimeString: function toLocaleTimeString()
        toString: function toString()
        toTimeString: function toTimeString()
        toUTCString: function toUTCString()

// 获取时间对象
new Date()
// 2021-10-29T03:04:45.640Z
// 通过时间格式字符串获取时间对象
new Date('2021-10-29 03:00:00')
// 2021-10-29T03:00:000Z
// 获取时间戳
Date.now()
// 1635476685643
// 解析时间格式字符串获取时间戳
Date.parse('2021-10-29 03:00:00')
// 1635447600000