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