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]);
    for (let j=b.length;j>=0;j--){
      if (b[j]==a[i]) {
      b[j]='';
      }
    }
  }
}
console.log("aaa");
let a =[1,2,34];
let b=[2];
arrayDiff(a,b);
console.log(a);
console.log(b);