<p>The toPrecision() method returns a string, with a number written with a specified length.</p>
<p id="demo"></p>
<script>
var x = 9.656;
document.getElementById("demo").innerHTML =
x.toPrecision() + "<br />" + // returns 9.656
x.toPrecision(2) + "<br />" + // returns 9.7
x.toPrecision(4) + "<br />" + // returns 9.656
x.toPrecision(6); // returns 9.65600
</script>
</body>
The toPrecision() method returns a string, with a number written with a specified length.
