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`string.parseDouble()`

Convert the calling string to a Double.

Signature

parseDouble() => Double | Null

Description

The parseDouble() method converts the calling string to a numeric Double.

Leading and trailing whitespace are allowed.
Exponential notation is allowed.
Comma separators aren’t allowed.

The calling string isn’t changed.

Parameters

None

Return value

One of:

Type	Description
Double	Value parsed from the calling string.
Null	Unable to parse calling String.
Math.Infinity	A String indicating a value greater than a Double can hold.

Type

Description

Double

Value parsed from the calling string.

Null

Unable to parse calling String.

Math.Infinity

A String indicating a value greater than a Double can hold.

Examples

Convert a simple numeric value:
```
"2147483647".parseDouble()
```
```
2.147483647E9
```

Convert a value represented in exponential notation:

"1.7976931348623158e308".parseDouble()

1.7976931348623157e+308

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