javascript if object has key

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Marybeth
03 Mar 2018
1myObj.hasOwnProperty('key') // it checks object for particular key and not on prototype
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Veronica
02 Nov 2020
1if ('key' in myObj)
2// better
3if (!myObj.hasOwnProperty('key'))
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Mailys
10 Feb 2018
1if ('key' in myObj)
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Fabio
01 Jan 2021
1if('key' in object)
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Ida
06 Sep 2020
1"key" in obj // true, regardless of the actual value
Cristóbal
12 Nov 2018
1Object.prototype.hasOwnProperty()
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