toExponential() Number instance method getterS2C Home
« Globals « Number « toExponential()
Description
Returns a string representation of the number in exponential notation.
Syntax
| Signature | Description |
|---|---|
aNumber.toExponential([numOfFractionalDigits]) | Returns a string representation of the number in exponential notation. |
Parameters
| Parameter | Description |
|---|---|
numOfFractionalDigits | An optional integer specifying the number of fractional digits to display.
|
Examples
The code below displays some numerical values exponentiated.
// Create an array for strings and populate.
var aNumber = 16.456456456;
var stringValue = new Array(4);
stringValue[0] = aNumber.toExponential();
stringValue[1] = aNumber.toExponential(2); // 2 decimal Places
stringValue[2] = aNumber.toExponential(4); // 4 decimal Places
stringValue[3] = aNumber.toExponential(6); // 6 decimal Places
alert(stringValue);
Related Tutorials
JavaScript Advanced Tutorials - Lesson 3 - Number
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