how to check if object has key javascript
myObj.hasOwnProperty('key') // it checks object for particular key and not on prototypehow to check if object has key javascript
myObj.hasOwnProperty('key') // it checks object for particular key and not on prototypejs object contain key
if ('key' in myObj)
// better
if (!myObj.hasOwnProperty('key'))typescript check if object has key
if ('key' in myObj)hasOwnProperty
The hasOwnProperty() method returns a boolean indicating whether the object has the specified property as its own property (as opposed to inheriting it).
const object1 = {};
object1.property1 = 42;
console.log(object1.hasOwnProperty('property1'));
// expected output: true
console.log(object1.hasOwnProperty('toString'));
// expected output: falsecheck object has key javascript
Object.prototype.hasOwnProperty()Copyright © 2021 Codeinu
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