14 lines
232 B
Markdown
14 lines
232 B
Markdown
### initial
|
|
|
|
Returns all the elements of an array except the last one.
|
|
|
|
Use `arr.slice(0,-1)` to return all but the last element of the array.
|
|
|
|
```js
|
|
const initial = arr => arr.slice(0, -1);
|
|
```
|
|
|
|
```js
|
|
initial([1,2,3]) // [1,2]
|
|
```
|