Return the primitive value of a Date object:
var n = d.valueOf();
The result of n will be:
Try it yourself »
Definition and Usage
The valueOf() method returns the primitive value of a Date object.
Note: The primitive value is returned as the number of millisecond since midnight January 1, 1970 UTC.
The valueOf() method is supported in all major browsers.
|Number||Milliseconds between the date object and midnight January 1, 1970 UTC|
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