How To Use Number Object toPrecision In JavaScript

In this article I am going to explain about Number Object toPrecision Method In JavaScript.
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Use toPrecision method in JavaScript

The toPrecision method is used to format a number to a specified length in JavaScript.

This method to add a decimal point for the specified length.

All browsers support number object toPrecision method.

Syntax

number.toPrecision(x)

Example

<!DOCTYPE html>

<html>

<body style ="background-color:Red">

 

<p id="demo">Display the formatted number.</p>

 

<button onclick="myFunction()">Click here</button>

 

<script type="text/javascript">

    function myFunction()

     {

        var num = new Number(13.3714);

        var n = num.toPrecision(2);

 

        var x = document.getElementById("demo");

        x.innerHTML = n

    }

</script>

 

</body>

</html>

Output1

op1.jpg

Output2

 op2.jpg

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