JavaScript toPrecision() Method
 JavaScript Number Object
Definition and Usage
The toPrecision() method formats a number to a specified length.
A decimal point and "0"s are added (if needed), to create the specified
length.
Syntax
| NumberObject.toPrecision(digits) |
| Parameter |
Description |
| digits |
Required. The number of digits |
Example
Example
In this example we will change number of digits for a number:
<script type="text/javascript">
var num=13.3714;
document.write(num.toPrecision(1)+"<br />")
document.write(num.toPrecision(3)+"<br />")
document.write(num.toPrecision(10))
</script>
|
The output of the code above will be:
Try it yourself »
|
JavaScript Number Object
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