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JavaScript toISOString() Method

JavaScript toISOString() method is used to convert a given Date object into a string using the ISO standard. This standard is called ISO-8601 and its format is: YYYY-MM-DDTHH:mm:ss.sssZ.

Syntax:

Date.toISOString()

Browser Support

Method	Chrome	Edge	Firefox	Safari	Opera
toISOString()	Yes	9	Yes	Yes	Yes

Here is an example of JavaScript toISOString() method:

<html>
<body>
<p>Click the button to see the Output.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction()
{
  var d = new Date();
  var n = d.toISOString();
  document.getElementById("demo").innerHTML = n;
}
</script>
</body>
</html>

Output:

Click the button to see the Output.

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JavaScript Date Object Methods

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