Removed covertArrayTo2DMatrix

This commit is contained in:
Sujit Singh
2020-12-24 19:45:14 +05:30
parent beb6930e2b
commit a7309e5754

View File

@ -1,33 +0,0 @@
---
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]]
```