Zkontrolujte, zda název klíče v objektu v js

Příklady kódu

3
0

zkontrolujte, zda objekt má klíč javascript

Object.prototype.hasOwnProperty()

V jiných jazycích

Tato stránka je v jiných jazycích

Русский
..................................................................................................................
English
..................................................................................................................
Italiano
..................................................................................................................
Polski
..................................................................................................................
Română
..................................................................................................................
한국어
..................................................................................................................
हिन्दी
..................................................................................................................
Français
..................................................................................................................
Türk
..................................................................................................................
Português
..................................................................................................................
ไทย
..................................................................................................................
中文
..................................................................................................................
Español
..................................................................................................................
Slovenský
..................................................................................................................
Балгарскі
..................................................................................................................
Íslensk
..................................................................................................................