nicht angemeldet
Hello,
JavaScript entnimmt Eingabefeldern immer einen String und keine Zahlen. Bei Strings wirkt der + Operator wie eine Konkatenation, also ein aneinanderfügen. Du musst JavaScript mitteilen, dass du rechnen willst, schau dir dazu die Funktion parseInt() und seinen großen Bruder parseFloat() an. Um Problemen aus dem Weg zu gehen, kannst du die Werte vorher mit isNaN prüfen.
MfG
Rouven
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Computer programming is tremendous fun. Like music, it is a skill that derives from an unknown blend of innate talent and constant practice. Like drawing, it can be shaped to a variety of ends: commercial, artistic, and pure entertainment. Programmers have a well-deserved reputation for working long hours but are rarely credited with being driven by creative fevers. Programmers talk about software development on weekends, vacations, and over meals not because they lack imagination, but because their imagination reveals worlds that others cannot see. -- Larry OBrien and Bruce Eckel in Thinking in C#
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Computer programming is tremendous fun. Like music, it is a skill that derives from an unknown blend of innate talent and constant practice. Like drawing, it can be shaped to a variety of ends: commercial, artistic, and pure entertainment. Programmers have a well-deserved reputation for working long hours but are rarely credited with being driven by creative fevers. Programmers talk about software development on weekends, vacations, and over meals not because they lack imagination, but because their imagination reveals worlds that others cannot see. -- Larry OBrien and Bruce Eckel in Thinking in C#
Gunnar Bittersmann
Der Martin