function Bird(name) {
this.name = name;
this.numLegs = 2;
}

let canary = new Bird("Tweety");
let ownProps = [];
// Add your code below this line
for (let property in canary) {
  if(canary.hasOwnProperty(property)) {
    ownProps.push(property);
  }
}

console.log(ownProps);