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----
-title: covertArrayTo2DMatrix
-tags: array,intermediate
----
-
-Returns array of arrays, with internal arrays of size (columns) supplied.
-
-```js
-const covertArrayTo2DMatrix = (items, columns) => {
-  let data = []
-  if (items?.length && columns) {
-    const rows = columns ? Math.ceil((items?.length ?? 0) / columns) : 0
-    for (let i = 0; i < rows; i++) {
-      let row = []
-      for (let j = 0; j < columns; j++) {
-        const element = items[i + j + i * (columns - 1)]
-        if (element) {
-          row.push(element)
-        }
-      }
-
-      data.push(row)
-    }
-  }
-  return data
-}
-```
-
-```js
-covertArrayTo2DMatrix([1, 2, 3, 4, 5, 6], 3); // [[1, 2, 3], [4, 5, 6]]
-covertArrayTo2DMatrix([1, 2, 3, 4, 5, 6], 2); // [[1, 2], [3, 4], [5, 6]]
-covertArrayTo2DMatrix([1, 2, 3, 4, 5], 3); // [[1, 2, 3], [4, 5]]
-```