JavaScript Date() constructor is used to create a new Date object, which represents a specific moment in time. it is a built-in function and is called in several ways:
new Date()
new Date(value)
new Date(dateString)
new Date(dateObject)
etc....JavaScript Date() constructor example
Simple example code use date objects and various methods to get and set different parts of the date and time.
<!DOCTYPE html>
<html>
<body>
<script>
// current date and time
let currentDate = new Date();
console.log(currentDate)
//January 1, 2022
let newYear = new Date("January 1, 2022");
console.log(newYear)
// December 25, 2022 at 12:00 PM
let christmas = new Date(2022, 11, 25, 12, 0, 0, 0);
console.log(christmas)
</script>
</body>
</html>Output:
- Without any arguments: If you call
new Date(), it will return aDateobject that represents the current date and time. - With a string argument: You can pass a string argument to the
Date()constructor to create aDateobject that represents a specific date and time. The string should be in a format that theDateobject can understand, such as “December 17, 1995 03:24:00”. - With multiple numeric arguments: You can pass multiple numeric arguments to the
Date()constructor to create aDateobject that represents a specific date and time. The arguments should be in the order of year, month, day, hour, minute, second, and millisecond.
Do comment if you have any doubts or suggestions on this JS constructor topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version