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<!DOCTYPE html>
<html>
<body>
​
<h2>JavaScript Number Methods</h2>
​
<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>" +
  x.toPrecision(2) + "<br>" +
  x.toPrecision(4) + "<br>" +
  x.toPrecision(6);  
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_number_toprecision by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:28:13 GMT -->
</html>
​
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