I have 1 object (it came from localstroage). But there are some dublicates. how can i remove it from easy way?
"mainchart" is my array object.
function check() {
  for (let i1 = 0; i1 < mainchart.length; i1++) {
    for (let i2 = 0; i2 < mainchart.length; i2++) {  
      if (mainchart[i1].id === mainchart[i2].id) {
        console.log(mainchart[i1] , mainchart[i2]);
      }
    }
  }
}
check();
 
     
    