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' |