Answers for "object keys contains"

17

how to check if object has key javascript

myObj.hasOwnProperty('key') // it checks object for particular key and not on prototype
Posted by: Guest on March-28-2020
1

js object contain key

if ('key' in myObj)
// better
if (!myObj.hasOwnProperty('key'))
Posted by: Guest on December-28-2020
4

typescript check if object has key

if ('key' in myObj)
Posted by: Guest on June-21-2020
0

object keys includes some key

var keyExistsOn = (o, k) => k.split(".").reduce((a, c) => a.hasOwnProperty(c) ? a[c] || 1 : false, Object.assign({}, o)) === false ? false : true;
Posted by: Guest on February-04-2021

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