W3Schools Tryit Editor

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<h1>JavaScript Stable Sort</h1>

<p>From ES2019, browsers must use a stable sorting algorithm.</p>
<p>When sorting elements on a key, the elements must keep their relative position to other objects with the same key.</p>

const myArr = [
  {name:"X00",price:100 },
  {name:"X01",price:100 },
  {name:"X02",price:100 },
  {name:"X03",price:100 },
  {name:"X04",price:110 },
  {name:"X05",price:110 },
  {name:"X06",price:110 },
  {name:"X07",price:110 },
  {name:"X08",price:120 },
  {name:"X09",price:120 },
  {name:"X10",price:120 },
  {name:"X11",price:120 },
  {name:"X12",price:130 },
  {name:"X13",price:130 },
  {name:"X14",price:130 },
  {name:"X15",price:130 },
  {name:"X16",price:140 },
  {name:"X17",price:140 },
  {name:"X18",price:140 },
  {name:"X19",price:140 }
];

myArr.sort( (p1, p2) => {
  if (p1.price < p2.price) return -1;
  if (p1.price > p2.price) return 1;
  return 0;
});

let txt = "";
myArr.forEach(myFunction);

function myFunction(value) {
  txt += value.name + " " + value.price + "<br>"; 
}
document.getElementById("demo").innerHTML = txt;
</script>

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