.valueOf()

Returns the difference in milliseconds between the specified date and January 1, 1970 00:00:00 UTC.

Syntax

myDate.valueOf();

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Example 1

Print the value of January, 1st, 1970 at 12:00:00 AM.

const date = new Date(1999, 00, 01, 0, 0, 0, 0);

console.log(date);
// Output: Fri Jan 01 1999 00:00:00 GMT-0800 (Pacific Standard Time)
// Note: Timezone may vary

console.log(date.valueOf());
// Output: 915177600000

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Codebyte Example

The following is runnable, and demonstrates the use of the .valueOf() method.

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