Why do I get [object object] in an array of objects after sorting?

Question

I'm using array.sort on an array of objects to sort it according to a key.
function sortPlanet(planets){
return planets.sort(function (a,b){
return b.numberOfMoons - a.numberOfMoons;})
}
What I get is
[[object Object] {
name: "Jupiter",
numberOfMoons: 63
}, [object Object] {
name: "Saturn",
numberOfMoons: 60
}, [object Object] {
name: "Uranus",
numberOfMoons: 27
}, [object Object] {
name: "Neptune"....etc.
Why? What's with all the [object object] arrays?

Answer 1

// Sorting an object according to its property

var data = [
{
name: "Jupiter",
numberOfMoons: 63
},
{
name: "Saturn",
numberOfMoons: 60
},
{
name: "Uranus",
numberOfMoons: 27
},
{
name: "Neptune",
numberOfMoons: 100
}
];

function sortPlanet(planets){
return planets.sort(function (a,b){
return b.numberOfMoons - a.numberOfMoons;})
}

var obj = sortPlanet(data);

console.log(JSON.stringify(obj));

https://code.sololearn.com/W6r0xkJ3Ss2A/?ref=app

Answer 2

Can you post the code? Let's see if I can help.

Answer 3

The JS code in the topmost part of the question. I have an array of objects called "planets" and I sort it. I believe the result is either one of the infamous quirks of JS or that of the browser...