Date.prototype.toISOString()
The toISOString() method of Date instances returns a string representing this date in the date time string format, a simplified format based on ISO 8601, which is always 24 or 27 characters long (YYYY-MM-DDTHH:mm:ss.sssZ or ±YYYYYY-MM-DDTHH:mm:ss.sssZ, respectively). The timezone is always UTC, as denoted by the suffix Z.
Try it
Syntax
js
toISOString()
Parameters
None.
Return value
A string representing the given date in the date time string format according to universal time. It's the same format as the one required to be recognized by Date.parse().
Exceptions
RangeError-
Thrown if the date is invalid or if it corresponds to a year that cannot be represented in the date string format.
Examples
Using toISOString()
js
const d = new Date(0);
console.log(d.toISOString()); // "1970-01-01T00:00:00.000Z"
Specifications
| Specification |
|---|
| ECMAScript Language Specification # sec-date.prototype.toisostring |
Browser compatibility
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toISOString | |||||||||||||