JavaScript Object Methods

Question 1

Object.keys(obj)

Answer 1

Returns an array containing the names of all properties of an object.

Question 2

Object.values(obj)

Answer 2

Returns an array containing the keys

Question 3

Object.hasOwnProperty(prop)

Answer 3

Returns a boolean based on the prop

Question 4

Object.entries(obj)

Answer 4

Returns an array of arrays where each inner array has the key and value pair

Question 5

Delete object.property

Answer 5

Delete a key,value pair