check property of object with || code example
Example 1: js check if object has property
const object1 = new Object();
object1.property1 = 42;
console.log(object1.hasOwnProperty('property1'));
// expected output: true
Example 2: check the properties of an object in javascript
for (var name in object) {
if (object.hasOwnProperty(name)) {
// do something with name
}
}
// OR
const hero = {
name: 'Batman'
};
hero.hasOwnProperty('name'); // => true
hero.hasOwnProperty('realName'); // => false