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# Date.prototype.setMilliseconds()

The **`setMilliseconds()`** method sets the milliseconds for a
specified date according to local time.

## Syntax

```js
setMilliseconds(millisecondsValue)
```

### Parameters

- `millisecondsValue`
  - : A number between 0 and 999, representing the milliseconds.

### Return value

The number of milliseconds between 1 January 1970 00:00:00 UTC and the updated date.

## Description

If you specify a number outside the expected range, the date information in the
`Date` object is updated accordingly. For example, if you specify 1005, the
number of seconds is incremented by 1, and 5 is used for the milliseconds.
