JavaScript getMilliseconds(): Get the milliseconds (0-999)

The JavaScript getMilliseconds() method is used to get the milliseconds (0-999). For example:

HTML with JavaScript Code

<!DOCTYPE html>
<html>
<body>
   
   <p id="xyz"></p>

   <script>
      const d = new Date();
      let ms = d.getMilliseconds();
      document.getElementById("xyz").innerHTML = ms;
   </script>

</body>
</html>

Output

In the above example, the following JavaScript statement:

const d = new Date();

creates a new "Date" object with the "new Date()" constructor. This method generates a new date and time object using the current system clock time.

Then the following JavaScript statement:

let ms = d.getMilliseconds();

calls the Date object's getMilliseconds() method to get the current milliseconds (0-999). The ms variable stores this value.

Finally, the following JavaScript statement:

document.getElementById("xyz").innerHTML = ms;

finds the HTML element with the id attribute "xyz" and sets its innerHTML property to the value stored in the ms variable using the document.getElementById() method. This will display the current millisecond count on the web page.

JavaScript getMilliseconds() syntax

The syntax of the getMilliseconds() method in JavaScript is:

x.getMilliseconds()

where x must be an object of the Date() constructor.

The getMilliseconds() method returns a number from 0 to 999, which will be the milliseconds of the local time.

Please note: To display the date in the format dd-mm-yyyy, refer to its separate example.

Please note: To display time in the format hh:mm:ss, refer to its separate example.

Please note: To display time in the format hh:mm:ss AM/PM, refer to its separate example.

Advantages of the getMilliseconds() method in JavaScript

getMilliseconds() is a built-in method in the Date object of JavaScript, which means it is simple to use and does not require any additional libraries or dependencies.
The method returns the current system clock milliseconds (0-999), which can be useful for timing applications, animation, or real-time data processing.
Because the method is lightweight and efficient, it can be used frequently without negatively impacting the performance of the web page or application.

Disadvantages of the getMilliseconds() method in JavaScript

Because the getMilliseconds() method only returns the number of milliseconds in the current time, it cannot be used to retrieve other time components (such as seconds or hours) without additional code.
Because the method retrieves the current time from the user's system clock, it is susceptible to inaccuracies or inconsistencies if the user's clock is not synchronized or if time zones differ.
Because the method only returns milliseconds to three decimal places, it may not be precise enough for some applications that require high levels of precision or accuracy.

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