Answers for "is my key exist in object javascript"

16

javascript does key exist

var person={"name":"Billy","age":20}
person.hasOwnProperty("name"); // true
person.hasOwnProperty("sex"); // false
Posted by: Guest on July-22-2019
2

how to check if a key exists in an object javascript

var person={"name":"Billy","age":20}
person.hasOwnProperty("name"); // true
person.hasOwnProperty("sex"); // false
Posted by: Guest on November-25-2020

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