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JavaScript parse() Method
Example
Return the number of milliseconds between January 1, 1970 and March 21, 2012:
var d = Date.parse("March 21, 2012");
The result of d will be:
Try it yourself »
Definition and Usage
The parse() method parses a date string and returns the number of milliseconds between the date string and midnight of January 1, 1970.
Browser Support
The parse() method is supported in all major browsers.
Syntax
Date.parse(datestring)
Parameter Values
| Parameter | Description |
|---|---|
| datestring | Required. A string representing a date |
Return Value
| Type | Description |
|---|---|
| Number | Milliseconds between the specified date-time and midnight January 1, 1970 |
Technical Details
| JavaScript Version: | 1.0 |
|---|
More Examples
Example
Calculate the number of years between January 1, 1970 to March 21, 2012:
var d=Date.parse("March 21, 2012");
var minutes=1000*60;
var hours=minutes*60;
var days=hours*24;
var years=days*365;
var y=Math.round(d/years);
var minutes=1000*60;
var hours=minutes*60;
var days=hours*24;
var years=days*365;
var y=Math.round(d/years);
result of y will be:
Try it yourself »
JavaScript Date Object
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