JavaScript > Math Reference

Euler's Number (E) in JavaScript

How to return the Euler's number in JavaScript?


E Property (E - Euler's Number)

The number e is the one of the most imporatant numbers in mathematics, it was discovered by "Leonhard Euler" and it is often called "Euler's Number" after "Leonhard Euler". It is a famous irrational numbere is found in many interesting areas, so it is worth learning  about. There are many ways to calculate the value of e, but none of them give an exact answer, because e is irrational number

In JavaScript, by using e property we can return the Euler's Number.

<p>Click the below button to return the Euler's Number</p>
<input type="button" onclick="myNumber()" value="Click">
<p id="myId"></p>

<script>
    function myNumber() {
        document.getElementById("myId").innerHTML = Math.E;
    }
</script>

In the above code snippet we have given Id as "myId"to the second <p> element in the HTML code. There is a function myNumber() in the<script>block which is connected to the onclick of the HTML button. We need to return the Euler's number for that we are using E property. Onclick of the button "Click" in the HTML code fires the function myNuber() in the <script> block at the same time Math.E property returns the Euler's number as output.

OUTPUT

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