Answers for "javascript check if object key exists"

javascript does key exist

var person={"name":"Billy","age":20}
person.hasOwnProperty("name"); // true
person.hasOwnProperty("sex"); // false

how to check if object has key javascript

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

none

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