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30secondsofcode
2018-03-09 18:24:43 +00:00
parent 66d4d54895
commit ea7f95be2e
3 changed files with 16 additions and 12 deletions
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12
snippets/isSorted.md
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@ -8,12 +8,12 @@ Return `0` if the `direction` changes or the `direction` if the last element is
```js
const isSorted = arr => {
let direction = -(arr[0] - arr[1]);
for (let [i, val] of arr.entries()) {
direction = !direction ? -(arr[i - 1] - arr[i]) : direction;
if (i === arr.length - 1) return !direction ? 0 : direction;
else if ((val - arr[i + 1]) * direction > 0) return 0;
}
let direction = -(arr[0] - arr[1]);
for (let [i, val] of arr.entries()) {
direction = !direction ? -(arr[i - 1] - arr[i]) : direction;
if (i === arr.length - 1) return !direction ? 0 : direction;
else if ((val - arr[i + 1]) * direction > 0) return 0;
}
};
```