Set.prototype.delete()

const set1 = new Set();
set1.add({ x: 10, y: 20 }).add({ x: 20, y: 30 });

// Delete any point with `x > 10`.
set1.forEach((point) => {
  if (point.x > 10) {
    set1.delete(point);
  }
});

console.log(set1.size);
// Expected output: 1

setInstance.delete(value)

const mySet = new Set();
mySet.add("foo");

console.log(mySet.delete("bar")); // false;   "bar"  .
console.log(mySet.delete("foo")); // true;  .

console.log(mySet.has("foo")); // false; "foo"     .

const setObj = new Set(); //  Set .

setObj.add({ x: 10, y: 20 }); // Set   .

setObj.add({ x: 20, y: 30 }); // Set   .

// `x > 10` point  .
setObj.forEach((point) => {
  if (point.x > 10) {
    setObj.delete(point);
  }
});