remove duplicates from an array JS

Remove Duplicates from an array JS

let arr = [1,2,3,4,1,2,3,5]

let removeDuplicate = [...arr];

for(i=0; i<removeDuplicate.length; i++){
  
  for(j=0; j<removeDuplicate.length; j++){
    if(i !== j){
      if(removeDuplicate[i] === removeDuplicate[j]){
        // removing the duplicates from this arr.
        removeDuplicate.splice(j,1);
      }
    }
  }
  
}

console.log(removeDuplicate)