check key in object javascript code example
Example 1: how to check if object has key javascript
myObj.hasOwnProperty('key') // it checks object for particular key and not on prototype
Example 2: typescript check if object has key
if ('key' in myObj)
Example 3: check if a key exists in an object javascript
"key" in obj // true, regardless of the actual value
Example 4: check object has key javascript
Object.prototype.hasOwnProperty()
Example 5: javascript if object has key
if('key' in object)