JavaScript
Date
objects represent a single moment in time in a platform-independent format.
Date
objects contain a
Number
that represents milliseconds since 1 January 1970 UTC.
TC39 is working on
Temporal
, a new Date/Time API.
Read more about it on the
Igalia blog
and fill out the
survey
. It needs real-world feedback from web developers, but is not yet ready for production use!
A JavaScript date is fundamentally specified as the number of milliseconds that have elapsed since midnight on January 1, 1970, UTC. This date and time is the same as the UNIX epoch , which is the predominant base value for computer-recorded date and time values.
注意： It's important to keep in mind that while the time value at the heart of a Date object is UTC, the basic methods to fetch the date and time or its components all work in the local (i.e. host system) time zone and offset.
It should be noted that the maximum
Date
is not of the same value as the maximum safe integer (
Number.MAX_SAFE_INTEGER
is 9,007,199,254,740,991). Instead, it is defined in ECMA-262 that a maximum of ±100,000,000 (one hundred million) days relative to January 1, 1970 UTC (that is, April 20, 271821 BCE ~ September 13, 275760 CE) can be represented by the standard
Date
object (equivalent to ±8,640,000,000,000,000 milliseconds).
There are a number of methods available to obtain a date in various formats, as well as to perform time zone conversions. Particularly useful are the functions that output the date and time in Coordinated Universal Time (UTC), the global standard time defined by the World Time Standard. (This time is historically known as Greenwich Mean Time , as UTC lies along the meridian that includes London—and nearby Greenwich—in the United Kingdom.) The user's device provides the local time.
In addition to methods to read and alter individual components of the local date and time (such as
getDay()
and
setHours()
), there are also versions of the same methods that read and manipulate the date and time using UTC (such as
getUTCDay()
and
setUTCHours()
).
Date()
Date
对象。
Date.now()
Returns the numeric value corresponding to the current time—the number of milliseconds elapsed since January 1, 1970 00:00:00 UTC, with leap seconds ignored.
Date.parse()
注意：
Parsing of strings with
Date.parse
is strongly discouraged due to browser differences and inconsistencies.
Date.UTC()
Accepts the same parameters as the longest form of the constructor (i.e. 2 to 7) and returns the number of milliseconds since January 1, 1970, 00:00:00 UTC, with leap seconds ignored.
Date.prototype.getDate()
1
–
31
) for the specified date according to local time.
Date.prototype.getDay()
0
–
6
) for the specified date according to local time.
Date.prototype.getFullYear()
Returns the year (4 digits for 4-digit years) of the specified date according to local time.
Date.prototype.getHours()
0
–
23
) in the specified date according to local time.
Date.prototype.getMilliseconds()
0
–
999
) in the specified date according to local time.
Date.prototype.getMinutes()
0
–
59
) in the specified date according to local time.
Date.prototype.getMonth()
0
–
11
) in the specified date according to local time.
Date.prototype.getSeconds()
0
–
59
) in the specified date according to local time.
Date.prototype.getTime()
Returns the numeric value of the specified date as the number of milliseconds since January 1, 1970, 00:00:00 UTC. (Negative values are returned for prior times.)
Date.prototype.getTimezoneOffset()
Returns the time-zone offset in minutes for the current locale.
Date.prototype.getUTCDate()
1
–
31
) in the specified date according to universal time.
Date.prototype.getUTCDay()
0
–
6
) in the specified date according to universal time.
Date.prototype.getUTCFullYear()
Returns the year (4 digits for 4-digit years) in the specified date according to universal time.
Date.prototype.getUTCHours()
0
–
23
) in the specified date according to universal time.
Date.prototype.getUTCMilliseconds()
0
–
999
) in the specified date according to universal time.
Date.prototype.getUTCMinutes()
0
–
59
) in the specified date according to universal time.
Date.prototype.getUTCMonth()
0
–
11
) in the specified date according to universal time.
Date.prototype.getUTCSeconds()
0
–
59
) in the specified date according to universal time.
Date.prototype.getYear()
getFullYear()
代替。
Date.prototype.setDate()
Sets the day of the month for a specified date according to local time.
Date.prototype.setFullYear()
Sets the full year (e.g. 4 digits for 4-digit years) for a specified date according to local time.
Date.prototype.setHours()
Sets the hours for a specified date according to local time.
Date.prototype.setMilliseconds()
Sets the milliseconds for a specified date according to local time.
Date.prototype.setMinutes()
Sets the minutes for a specified date according to local time.
Date.prototype.setMonth()
Sets the month for a specified date according to local time.
Date.prototype.setSeconds()
Sets the seconds for a specified date according to local time.
Date.prototype.setTime()
Date
object to the time represented by a number of milliseconds since January 1, 1970, 00:00:00 UTC. Use negative numbers for times prior.
Date.prototype.setUTCDate()
Sets the day of the month for a specified date according to universal time.
Date.prototype.setUTCFullYear()
Sets the full year (e.g. 4 digits for 4-digit years) for a specified date according to universal time.
Date.prototype.setUTCHours()
Sets the hour for a specified date according to universal time.
Date.prototype.setUTCMilliseconds()
Sets the milliseconds for a specified date according to universal time.
Date.prototype.setUTCMinutes()
Sets the minutes for a specified date according to universal time.
Date.prototype.setUTCMonth()
Sets the month for a specified date according to universal time.
Date.prototype.setUTCSeconds()
Sets the seconds for a specified date according to universal time.
Date.prototype.setYear()
setFullYear()
代替。
Date.prototype.toDateString()
Date
as a human-readable string like
'Thu Apr 12 2018'
.
Date.prototype.toISOString()
Converts a date to a string following the ISO 8601 Extended Format.
Date.prototype.toJSON()
Date
使用
toISOString()
. Intended for use by
JSON.stringify()
.
Date.prototype.toGMTString()
Date
based on the GMT (UTC) time zone. Use
toUTCString()
代替。
Date.prototype.toLocaleDateString()
Returns a string with a locality sensitive representation of the date portion of this date based on system settings.
Date.prototype.toLocaleFormat()
Converts a date to a string, using a format string.
Date.prototype.toLocaleString()
Object.prototype.toLocaleString()
方法。
Date.prototype.toLocaleTimeString()
Returns a string with a locality-sensitive representation of the time portion of this date, based on system settings.
Date.prototype.toString()
Date
object. Overrides the
Object.prototype.toString()
方法。
Date.prototype.toTimeString()
Date
as a human-readable string.
Date.prototype.toUTCString()
Converts a date to a string using the UTC timezone.
Date.prototype.valueOf()
Date
object. Overrides the
Object.prototype.valueOf()
方法。
The following examples show several ways to create JavaScript dates:
注意：
Parsing of date strings with the
Date
constructor (and
Date.parse
, they are equivalent) is strongly discouraged due to browser differences and inconsistencies.
let today = new Date()
let birthday = new Date('December 17, 1995 03:24:00')
let birthday = new Date('1995-12-17T03:24:00')
let birthday = new Date(1995, 11, 17) // the month is 0-indexed
let birthday = new Date(1995, 11, 17, 3, 24, 0)
let birthday = new Date(628021800000) // passing epoch timestamp
let [month, date, year] =
let [hour, minute, second] = ( new Date() ).toLocaleTimeString().slice(0,7).split(":")
In order to create and get dates between the years
0
and
99
the
Date.prototype.setFullYear()
and
Date.prototype.getFullYear()
methods should be used.
let date = new Date(98, 1) // Sun Feb 01 1998 00:00:00 GMT+0000 (GMT) // Deprecated method; 98 maps to 1998 here as well date.setYear(98) // Sun Feb 01 1998 00:00:00 GMT+0000 (GMT) date.setFullYear(98) // Sat Feb 01 0098 00:00:00 GMT+0000 (BST)
The following examples show how to determine the elapsed time between two JavaScript dates in milliseconds.
Due to the differing lengths of days (due to daylight saving changeover), months, and years, expressing elapsed time in units greater than hours, minutes, and seconds requires addressing a number of issues, and should be thoroughly researched before being attempted.
// Using Date objects let start = Date.now() // The event to time goes here: doSomethingForALongTime() let end = Date.now() let elapsed = end - start // elapsed time in milliseconds
// Using built-in methods let start = new Date() // The event to time goes here: doSomethingForALongTime() let end = new Date() let elapsed = end.getTime() - start.getTime() // elapsed time in milliseconds
// To test a function and get back its return
function printElapsedTime(fTest) {
let nStartTime = Date.now(),
vReturn = fTest(),
nEndTime = Date.now()
console.log(`Elapsed time: ${ String(nEndTime - nStartTime) } milliseconds`)
return vReturn
}
let yourFunctionReturn = printElapsedTime(yourFunction)
注意：
In browsers that support the
Web Performance API
's high-resolution time feature,
Performance.now()
can provide more reliable and precise measurements of elapsed time than
Date.now()
.
let seconds = Math.floor(Date.now() / 1000)
In this case, it's important to return only an integer—so a simple division won't do. It's also important to only return actually elapsed seconds. (That's why this code uses
Math.floor()
，和
not
Math.round()
.)
| 规范 |
|---|
|
ECMAScript (ECMA-262)
The definition of 'Date' in that specification. |
| Desktop | Mobile | Server | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Date
|
Chrome 1 | Edge 12 | Firefox 1 |
IE
3
|
Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
Date()
构造函数
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
UTC
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getDate
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getDay
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getFullYear
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getHours
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getMilliseconds
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getMinutes
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getMonth
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getSeconds
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getTime
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getTimezoneOffset
|
Chrome 1 | Edge 12 | Firefox 1 | IE 5 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getUTCDate
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getUTCDay
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getUTCFullYear
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getUTCHours
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getUTCMilliseconds
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getUTCMinutes
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getUTCMonth
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getUTCSeconds
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
getYear
弃用
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
now
|
Chrome 5 | Edge 12 | Firefox 3 | IE 9 | Opera 10.5 | Safari 4 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 14 | Safari iOS 4 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
parse
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
parse
：ISO 8601 格式
|
Chrome 6 | Edge 12 | Firefox 4 | IE 9 | Opera 6 | Safari 5.1 | WebView Android ≤37 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 5.1 | Samsung Internet Android 1.0 | nodejs 0.12 |
setDate
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setFullYear
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setHours
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setMilliseconds
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setMinutes
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setMonth
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setSeconds
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setTime
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setUTCDate
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setUTCFullYear
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setUTCHours
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setUTCMilliseconds
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setUTCMinutes
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setUTCMonth
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setUTCSeconds
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
setYear
弃用
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
toDateString
|
Chrome 1 | Edge 12 | Firefox 1 | IE 5.5 | Opera 5 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
toGMTString
弃用
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
toISOString
|
Chrome 3 | Edge 12 | Firefox 1 | IE 9 | Opera 10.5 | Safari 5 | WebView Android ≤37 | Chrome Android 18 | Firefox Android 4 | Opera Android 11 | Safari iOS 4.2 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
toJSON
|
Chrome 3 | Edge 12 | Firefox 1 | IE 8 | Opera 10.5 | Safari 5 | WebView Android ≤37 | Chrome Android 18 | Firefox Android 4 | Opera Android 11 | Safari iOS 4.2 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
toLocaleDateString
|
Chrome 1 | Edge 12 | Firefox 1 | IE 5.5 | Opera 5 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
toLocaleDateString
: IANA time zone names in
timeZone
option
|
Chrome 24 | Edge 14 | Firefox 52 | IE No | Opera 15 | Safari 6.1 | WebView Android 4.4 | Chrome Android 25 | Firefox Android No | Opera Android 14 | Safari iOS 7 | Samsung Internet Android 1.5 | nodejs 0.12 |
toLocaleDateString.locales
|
Chrome 24 | Edge 12 | Firefox 29 | IE 11 | Opera 15 | Safari 10 | WebView Android 4.4 | Chrome Android 25 | Firefox Android 56 | Opera Android 14 | Safari iOS 10 | Samsung Internet Android 1.5 |
nodejs
13.0.0
|
toLocaleDateString.options
|
Chrome 24 | Edge 12 | Firefox 29 | IE 11 | Opera 15 | Safari 10 | WebView Android 4.4 | Chrome Android 25 | Firefox Android 56 | Opera Android 14 | Safari iOS 10 | Samsung Internet Android 1.5 | nodejs 0.12 |
toLocaleString
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
toLocaleString
: IANA time zone names in
timeZone
option
|
Chrome 24 | Edge 14 | Firefox 52 | IE No | Opera 15 | Safari 6.1 | WebView Android 4.4 | Chrome Android 25 | Firefox Android No | Opera Android 14 | Safari iOS 7 | Samsung Internet Android 1.5 | nodejs 0.12 |
toLocaleString.locales
|
Chrome 24 | Edge 12 | Firefox 29 | IE 11 | Opera 15 | Safari 10 | WebView Android 4.4 | Chrome Android 25 | Firefox Android 56 | Opera Android 14 | Safari iOS 10 | Samsung Internet Android 1.5 |
nodejs
13.0.0
|
toLocaleString.options
|
Chrome 24 | Edge 12 | Firefox 29 | IE 11 | Opera 15 | Safari 10 | WebView Android 4.4 | Chrome Android 25 | Firefox Android 56 | Opera Android 14 | Safari iOS 10 | Samsung Internet Android 1.5 | nodejs 0.12 |
toLocaleTimeString
|
Chrome 1 | Edge 12 | Firefox 1 | IE 5.5 | Opera 5 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
toLocaleTimeString
: IANA time zone names in
timeZone
option
|
Chrome 24 | Edge 14 | Firefox 52 | IE No | Opera 15 | Safari 6.1 | WebView Android 4.4 | Chrome Android 25 | Firefox Android No | Opera Android 14 | Safari iOS 7 | Samsung Internet Android 1.5 | nodejs 0.12 |
toLocaleTimeString.locales
|
Chrome 24 | Edge 12 | Firefox 29 | IE 11 | Opera 15 | Safari 10 | WebView Android 4.4 | Chrome Android 25 | Firefox Android 56 | Opera Android 14 | Safari iOS 10 | Samsung Internet Android 1.5 |
nodejs
13.0.0
|
toLocaleTimeString.options
|
Chrome 24 | Edge 12 | Firefox 29 | IE 11 | Opera 15 | Safari 10 | WebView Android 4.4 | Chrome Android 25 | Firefox Android 56 | Opera Android 14 | Safari iOS 10 | Samsung Internet Android 1.5 | nodejs 0.12 |
toSource
非标
|
Chrome No | Edge No |
Firefox
1 — 74
|
IE No | Opera No | Safari No | WebView Android No | Chrome Android No | Firefox Android 4 | Opera Android No | Safari iOS No | Samsung Internet Android No | nodejs No |
toString
|
Chrome 1 | Edge 12 | Firefox 1 | IE 3 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
toTimeString
|
Chrome 1 | Edge 12 | Firefox 1 | IE 5.5 | Opera 5 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
toUTCString
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 4 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
valueOf
|
Chrome 1 | Edge 12 | Firefox 1 | IE 4 | Opera 3 | Safari 1 | WebView Android 1 | Chrome Android 18 | Firefox Android 4 | Opera Android 10.1 | Safari iOS 1 | Samsung Internet Android 1.0 | nodejs 0.1.100 |
@@toPrimitive
|
Chrome 47 | Edge 15 | Firefox 44 | IE No | Opera 34 | Safari 10 | WebView Android 47 | Chrome Android 47 | Firefox Android 44 | Opera Android 34 | Safari iOS 10 | Samsung Internet Android 5.0 | nodejs 6.0.0 |
完整支持
不支持
非标。预期跨浏览器支持较差。
弃用。不要用于新网站。
见实现注意事项。
Date()
构造函数
Date
Date.UTC()
Date.now()
Date.parse()
Date.prototype.getDate()
Date.prototype.getDay()
Date.prototype.getFullYear()
Date.prototype.getHours()
Date.prototype.getMilliseconds()
Date.prototype.getMinutes()
Date.prototype.getMonth()
Date.prototype.getSeconds()
Date.prototype.getTime()
Date.prototype.getTimezoneOffset()
Date.prototype.getUTCDate()
Date.prototype.getUTCDay()
Date.prototype.getUTCFullYear()
Date.prototype.getUTCHours()
Date.prototype.getUTCMilliseconds()
Date.prototype.getUTCMinutes()
Date.prototype.getUTCMonth()
Date.prototype.getUTCSeconds()
Date.prototype.getYear()
Date.prototype.setDate()
Date.prototype.setFullYear()
Date.prototype.setHours()
Date.prototype.setMilliseconds()
Date.prototype.setMinutes()
Date.prototype.setMonth()
Date.prototype.setSeconds()
Date.prototype.setTime()
Date.prototype.setUTCDate()
Date.prototype.setUTCFullYear()
Date.prototype.setUTCHours()
Date.prototype.setUTCMilliseconds()
Date.prototype.setUTCMinutes()
Date.prototype.setUTCMonth()
Date.prototype.setUTCSeconds()
Date.prototype.setYear()
Date.prototype.toDateString()
Date.prototype.toGMTString()
Date.prototype.toISOString()
Date.prototype.toJSON()
Date.prototype.toLocaleDateString()
Date.prototype.toLocaleString()
Date.prototype.toLocaleTimeString()
Date.prototype.toSource()
Date.prototype.toString()
Date.prototype.toTimeString()
Date.prototype.toUTCString()
Date.prototype.valueOf()
Date.prototype[@@toPrimitive]
Function
Object
Object.prototype.__defineGetter__()
Object.prototype.__defineSetter__()
Object.prototype.__lookupGetter__()
Object.prototype.__lookupSetter__()
Object.prototype.hasOwnProperty()
Object.prototype.isPrototypeOf()
Object.prototype.propertyIsEnumerable()
Object.prototype.toLocaleString()
Object.prototype.toSource()
Object.prototype.toString()
Object.prototype.valueOf()
Object.setPrototypeOf()