JavaScript Reference/Javascript Methods/toPrecision
"toPrecision()" Example
<html>
<body>
<button onclick="var myNum = new Number(10000); alert(myNum.toPrecision(1));">
to Precision
</button>
</body>
</html>
"toPrecision()" is applied to
+----------------+--------------------------------------------------------------+
| Applied_To |Number |
+----------------+--------------------------------------------------------------+
"toPrecision()" Syntax Parameters and Note
Note:
Converts a number to exponential notation if it contains more digits
than specified parameter.
Syntax:
numberName.toPrecision(param1)
Parameters:
param1 Required; minimum number of digits to convert to exponential notation.