JavaScript now() Method
More "Try it Yourself" examples below.
Definition and Usage
The Date.now() method returns the number of milliseconds since January 1, 1970 00:00:00 UTC.
Browser Support
| Method | |||||
|---|---|---|---|---|---|
| Date.now() | Yes | 9 | Yes | Yes | Yes |
Syntax
Date.now()
Parameters
| None |
Technical Details
| Return Value: | A Number, representing the number of milliseconds since midnight January 1, 1970 |
|---|---|
| JavaScript Version: | ECMAScript 5 (2009) |
More Examples
Example
Calculate the number of years since 1970/01/01:
var minutes = 1000 * 60;
var hours = minutes * 60;
var days = hours * 24;
var years = days * 365;
var t = Date.now();
var y = Math.round(t / years);
Try it Yourself »
Related Pages
JavaScript Tutorial: JavaScript Dates
JavaScript Tutorial: JavaScript Date Formats
❮ JavaScript Date Object
