Method

Introduction to JavaScript Date toISOString() Method

The Date.toISOString() method in JavaScript is used to get the date in ISO format (ISO 8601) i.e. in the form of a string. It returns the date in the form of YYYY-MM-DDTHH:mm:ss.sssZ where ‘T’ is a separator between the date and time and ‘Z’ is the time zone.

Syntax

The syntax for the JavaScript Date.toISOString() method is as follows:

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dateObj.toISOString()

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Here, dateObj is the object of Date class.

Return Value

The JavaScript Date.toISOString() method returns the date in the form of a string according to the ISO 8601 standard in the form of YYYY-MM-DDTHH:mm:ss.sssZ.

Example

Let’s look at an example of using the Date.toISOString() method.

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//Creating a date object 
var date = new Date(2020, 11, 25, 10, 33, 30, 0); 
  
//Printing the date object 
console.log(date); 
  
//Printing the date in ISO format 
console.log(date.toISOString());

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Output:

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2020-12-25T10:33:30.000Z

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Here, we created a Date object and printed it in the ISO format by using the toISOString() method.

Browser Support

The Date.toISOString() method is supported in the following browsers:

• Chrome
• Internet Explorer
• Firefox
• Opera
• Safari

Conclusion

In this tutorial, we discussed the JavaScript Date.toISOString() method and saw its syntax, return value, and example. We also saw the browser support for this method.