Add values into 2D dimensional array in JS

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I’m trying to add values into 2D array based on the position that is present in the input data.

For example, the below format represents 0 as row, 0 as column and 5 is length of the value.

 [
    "0,0,5",
    "hello"
 ],

How do I insert the values into 2D array based on position like [0][0], [0][1] and [0][2]?

Except from my code

const data = [
  [
    "0,0,5",
    "hello"
  ],
  [
    "0,1,10",
    "js is fun!"
  ],
  [
    "0,2,0",
    ""
  ]
]

let array2D = [
  []
];
let i = 0
for (let r = 0; r < data.length; ++r) {
  array2D[r] = [];
  for (let c = 0; c < data.length; ++c) {
    array2D[r][c] = data[i++];
  }
}
console.log(array2D);

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