# Übung 14: Also, was sind das denn nur für Ausdrücke?

Ausdruck | Rückgabewert | Datentyp
--- | --- | ---
'1.5' * 2 | 3 | number
'1,5' * 2 | NaN | number
'1.5' + 2 | '1.52' | string
Number('1.5') * 2 | 3 | number
Number('1,5') * 2 | NaN | number
Number('3 Tage') * 7 | NaN | number
Number('Seite 20') + 5 | NaN | number
'9,2' + Number('11.7') | '9,211.7' | string
(NaN - 2) * (4 / 2) | NaN | number
alert(Number(17 / 2 + 1.3)) | undefined | 'undefined'
console.log(Number(17 / 2 + 1.3)) | undefined | 'undefined'
typeof 12.25 | 'number' | string
typeof typeof 12.25 | 'string' | string