how to iterate two dimensional array in javascript code example

Example 1: how to read 2 dimensional array in javascript

activities.forEach((activity) => {
    activity.forEach((data) => {
        console.log(data);
    });
});

Example 2: nested array loop in javascript

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]);
   }
}