Js object contains key Code Example - Coding

how to check if object has key javascript

myObj.hasOwnProperty('key') // it checks object for particular key and not on prototype

js object contain key

if ('key' in myObj)
// better
if (!myObj.hasOwnProperty('key'))

js object contains key

if (myObj['key']) {
// Do something
}

typescript check if object has key

if ('key' in myObj)

check object has key javascript

Object.prototype.hasOwnProperty()

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