Answers for "if key doesnt exist in an object create one"

check if a key exists in an object javascript

"key" in obj // true, regardless of the actual value

Posted by: Guest on March-30-2020

js check if object key exists

var obj = { key: undefined };
obj["key"] !== undefined // false, but the key exists!

Posted by: Guest on July-23-2020

Code answers related to "if key doesnt exist in an object create one"