18 lines
607 B
Markdown
18 lines
607 B
Markdown
### arrayToCSV
|
|
|
|
Converts a 2D array to a comma-separated values (CSV) string.
|
|
|
|
Use `Array.map()` and `Array.join(delimiter)` to combine individual 1D arrays (rows) into strings.
|
|
Use `Array.join('\n')` to combine all rows into a CSV string, separating each row with a newline.
|
|
Omit the second argument, `delimiter`, to use a default delimiter of `,`.
|
|
|
|
```js
|
|
const arrayToCSV = (arr, delimiter = ',') =>
|
|
arr.map(v => v.map(x => `"${x}"`).join(delimiter)).join('\n');
|
|
```
|
|
|
|
```js
|
|
arrayToCSV([['a', 'b'], ['c', 'd']]); // '"a","b"\n"c","d"'
|
|
arrayToCSV([['a', 'b'], ['c', 'd']], ';'); // '"a";"b"\n"c";"d"'
|
|
```
|