JSFiddle - React, Tailwind, and code Playground

JavaScript

function doneOrNot(board){
  var i;
  var j;
  var z;
  var uniq1 = 0;
  var uniq1Arr = [];
  var uniq2 = 0;
  var uniq2Arr = [];
  var uniq3 = 0;
  var uniq3Arr =[];
  
  
  for(i=0; i<9; i++) {
      for(j=0; j<9; j++) {
          
          for(z=0; z<uniq1Arr.length; z++) {
              if(uniq1Arr.length >9) uniq1Arr = [];
              if(board[i][j] == uniq1Arr[z]) {
              return "Try again!";   
              
              }
              uniq1Arr.push(board[i][j]);
          }
   
          if(board[i][j] == uniq1) {
          return "Try again!";
          }        
          if(i == j) {
           for(z=0; z<uniq2Arr; z++) {
               if(board[i][j] == uniq2Arr[z])  { 
               return "Try again!";
               }
           }
            if( board[i][j] == uniq2) {
            console.log(i, j, uniq2)
            return "Try again!"}
              uniq2 = board[i][j];
          }
          uniq1 = board[i][j];
      }
  }
  
  uniq1Arr = [];
  
  for(i = 0;  i < 9; i++) {
      for(j = 0; j<9; j++) {
          for(z=0; z<uniq1Arr.length; z++) {
              if(uniq1Arr.length >9) {
              uniq1Arr = [];
              }
              if(board[j][i] == uniq1Arr[z]) {                       
              }
              uniq1Arr.push(board[j][i]);
              console.log(uniq1Arr, uniq1Arr.length)
          }
      }
  }
  
  
  
  
  for(i=0; i<3; i++){
      for(j=0; j<3; j++) {
       for(z=0; z<uniq3Arr.length; z++) {
              if(board[i][j] == uniq1Arr[z])   return "Try again!";       
          }
          if(board[i][j] == uniq3) return "Try again!" ;
          uniq3 = board[i][j];
      }
  }
  
  
  uniq3 = 0;
  uniq3Arr = [];
  for(i=3; i<6; i++){
      for(j=0; j<3; j++) {
       for(z=0; z<uniq3Arr.length; z++) {
              if(board[i][j] == uniq3Arr[z])   return "Try again!";       
          }
          if(board[i][j] == uniq3) return "Try again!" 
          uniq3 = board[i][j]
      }
  }
   uniq3 =...