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JavaScript toExponential() Method
JavaScript Number Object
Definition and Usage
The toExponential() method converts a number into an exponential notation.
Syntax
number.toExponential(x)
| Parameter | Description |
|---|---|
| x | Optional. An integer between 0 and 20 representing the number of digits in the notation after the decimal point. If omitted, it is set to as many digits as necessary to represent the value |
Browser Support
The toExponential() method is supported in all major browsers.
Example
Example
Convert a number into an exponential notation:
<script type="text/javascript">
var num = new Number(13.3714);
document.write(num.toExponential()+"<br />");
document.write(num.toExponential(2)+"<br />");
document.write(num.toExponential(3)+"<br />");
document.write(num.toExponential(10));
</script>
var num = new Number(13.3714);
document.write(num.toExponential()+"<br />");
document.write(num.toExponential(2)+"<br />");
document.write(num.toExponential(3)+"<br />");
document.write(num.toExponential(10));
</script>
The output of the code above will be:
Try it yourself »
JavaScript Number Object
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Copyright 1999-2012 by Refsnes Data. All Rights Reserved.
Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.
While using this site, you agree to have read and accepted our terms of use and privacy policy.
Copyright 1999-2012 by Refsnes Data. All Rights Reserved.