JSFiddle - React, Tailwind, and code Playground

by SHELDON PASCIAK

JavaScript

function arrayDiff(a, b) {
  for (let i=0;i<a.length;i++) {
    console.log(a[i]);
/*     while (b.indexOf(a[i])>-1) {
      b.splice(b.indexOf(a[i]),1);
    } */
  }
    for (let i=0;i<b.length;i++) {
    console.log(b[i]);
/*     while (a.indexOf(b[i])>-1) {
      a.splice(a.indexOf(b[i]),1);
    } */
  }
}

let a=[1,2,3];
let b=[2];
arrayDiff(a,b);