Answers for "if object value exists javascript"

How to tell if an attribute exists on an object

const user = {
    name: "Sicrano",
    age: 14
}

user.hasOwnProperty('name');       // Retorna true
user.hasOwnProperty('age');        // Retorna true
user.hasOwnProperty('gender');     // Retorna false
user.hasOwnProperty('address');    // Retorna false

how to check if object exists in javascript

if (typeof maybeObject != "undefined") {
   alert("GOT THERE");
}

search if value exists in object javascript

var exists = Object.keys(obj).some(function(k) {
    return obj[k] === "test1";
});