19 lines
493 B
Markdown
19 lines
493 B
Markdown
### sortedIndex
|
||
|
||
Returns the lowest index at which value should be inserted into array in order to maintain its sort order
|
||
|
||
```js
|
||
const sortedIndex = (arr,n) => {
|
||
arr[0] > arr[1] ? (let anarray = arr.reverse(),let isReversed = true) : (let anarray = arr, let isReversed = false);
|
||
val = anarray.findIndex( el => {
|
||
return n <= el
|
||
})
|
||
return val === -1 ? arr.length : isReversed ? arr.length - val : val
|
||
}
|
||
```
|
||
|
||
```js
|
||
sortedIndex([5,3,2,1], 4); // 1
|
||
sortedIndex([30,50],40); // 1
|
||
```
|