The double
type refers to a number with a decimal point and is stored in double precision, IEEE floating point format.
Example:
Item { property double number: 32155.2355 }
This basic type is provided by the QML language.
See also QML Basic Types.
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Licensed under the GNU Free Documentation License, Version 1.3.
https://doc.qt.io/qt-5.15/qml-double.html