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How to format a rounded number to N decimals using JavaScript?
Use the toFixed() method to format a rounded number to N decimals. The toFixed() method formats a number with a specific number of digits to the right of the decimal.
Example
You can try to run the following code to form a rounded number to N decimals −
<html>
<head>
<title>JavaScript toFixed() Method</title>
</head>
<body>
<script>
var num = 15;
document.write("num.toFixed() is : " + num.toFixed());
document.write("<br />");
document.write("num.toFixed() is : " + num.toFixed(2));
document.write("<br />");
document.write("num.toFixed() is : " + num.toFixed(1));
document.write("<br />");
</script>
</body>
</html>Output
num.toFixed() is : 15 num.toFixed() is : 15.00 num.toFixed() is : 15.0
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