Answers for "how to check array contains key in javascript"

javascript if array key exists

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

Posted by: Guest on July-22-2019

js find object that has key in array

myArray.find(x => x.id === '45').foo;

Posted by: Guest on May-25-2020

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