JavaScript Date setTime() Function

The JavaScript Date setTime() Function is a built-in Function in Javascript that is used to get a date object by adding given milliseconds to the date 01/01/1970

Syntax:

date.setTime(milliseconds)

Parameters: setTime() Function takes parameters as follows.

• milliseconds: Number of milliseconds to add/subtract to the given date

Return Value: The setTime() Function returns milliseconds between January 1 1970 and the time you passed in the parameter.

Example 1: Adding 300000000000 milliseconds to 01/01/1970

<script>
    // Initialization
    let date = new Date();
    
    // Execution
    let output = date.setTime(300000000000);
    
    // Display Output
    console.log(`setTime() Output:`, output, date);
</script>

Output:

setTime() Output: 300000000000 Thu Jul 05 1979 10:50:00 GMT+0530 (India Standard Time)

Example 2: Subtracting 300000000000 milliseconds to 01/01/1970.

<script>
    // Initialization
    let date = new Date();
    
    // Execution
    let output = date.setTime(-300000000000);
    
    // Display Output
    console.log(`setTime() Output:`, output, date);
</script>

Output:

setTime() Output: -300000000000 Thu Jun 30 1960 00:10:00 GMT+0530 (India Standard Time)

We have a complete list of Javascript Date Objects, to check those please go through this Javascript Date Object Complete reference article.

Supported Browsers: The browsers supported by the JavaScript Date setTime() Function are listed below: 

• Google Chrome 1 and above
• Internet Explorer 3  and above
• Mozilla Firefox 1 and above
• Opera 3 and above
• Safari 1 and above

We have a Cheat Sheet on Javascript where we covered all the important topics of Javascript to check those please go through Javascript Cheat Sheet-A Basic guide to JavaScript.