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JavaScript PI Property

JavaScript PI Property

JavaScript PI property is used to return the ratio of a circle's area to the square of its radius. Its value is approximately 3.14.

Syntax:

Math.PI

Browser Support

Property Chrome Edge Firefox Safari Opera
PI Yes Yes Yes Yes Yes

Here is an example of JavaScript PI property:

<html>
<body>
<p>Click the button to see the Output.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
  document.getElementById("demo").innerHTML = Math.PI;
}
</script>
</body>
</html>
Output:

Click the button to see the Output.