javascript nested array

let chunked = [[1,2,3], [4,5,6], [7,8,9]];

for(let i = 0; i < chunked.length; i++) {
  
   for(let j = 0; j < chunked[i].length; j++) {
     
      console.log(chunked[i][j]);
   }
}//2-dimensional(nested) array
var array = [[0,2,3,7,2,2,1],[1,2,6,3,7,0,3]]