toPrecision() Number instance method getterS2C Home
« Globals « Number « toPrecision()
Description
Returns a string representation of the number in fixed or exponential notation.
Syntax
| Signature | Description |
|---|---|
aNumber.toPrecision([numOfPrecisionDigits]) | Returns a string representation of the number in fixed or exponential notation. |
Parameters
| Parameter | Description |
|---|---|
numOfPrecisionDigits | An optional integer specifying the precision of the fractional digits to display.
|
Examples
The code below displays some precision values.
// Create an array for strings and populate.
var aNumber = 16.546546546;
var stringValue = new Array(4);
stringValue[0] = aNumber.toPrecision();
stringValue[1] = aNumber.toPrecision(2); // 2 precision
stringValue[2] = aNumber.toPrecision(4); // 4 precision
stringValue[3] = aNumber.toPrecision(6); // 6 precision
alert(stringValue);
Related Tutorials
JavaScript Advanced Tutorials - Lesson 3 - Number
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