Basic Data Structures - Check if an Object has a Property

JavaScript
1

Tell us what’s happening:
Hello. I am having issues trying got resolve this challenge and the solutions posted non of them work.

Your code so far
function isEveryoneHere(userObj) {
// Only change code below this line
return userObj.hasOwnProperty(“Alan”) &&
userObj.hasOwnProperty(“Jeff”) &&
userObj.hasOwnProperty(“Sarah”) &&
userObj.hasOwnProperty(“Ryan”);
// Only change code above this line
}
console.log(isEveryoneHere());

let users = {
  Alan: {
    age: 27,
    online: true
  },
  Jeff: {
    age: 32,
    online: true
  },
  Sarah: {
    age: 48,
    online: true
  },
  Ryan: {
    age: 19,
    online: true
  }
};

function isEveryoneHere(userObj) {
  // Only change code below this line
  return users.Alan.online.hasOwnProperty() 
    
  // Only change code above this line
}

console.log(isEveryoneHere());

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Challenge: Basic Data Structures - Check if an Object has a Property

Link to the challenge:

2

It looks like you should use the userObj parameter that gets passed to your function.

3

Hello. Yes, You are right It was a misspelling error because I was having: function isEveryoneHere(useObj). Thanks.

4

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