Snippet to implement clamping

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Arjun Mahishi
2017-12-20 22:49:18 +05:30
parent dbc3b9c452
commit de50467307

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snippets/clampNumber.md Normal file
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### clampNumber
Clamps `num` within the inclusive `lower` and `upper` bounds.
If `lower` is greater than `upper`, swap them. If `num` falls within the range, return `num`. Otherwise return the nearest number in the range.
```js
const clampNumber = (num, lower, upper) => {
if(lower > upper) upper = [lower, lower = upper][0];
return (num>=lower && num<=upper) ? num : ((num < lower) ? lower : upper)
}
// clampNumber(2, 3, 5) -> 3
// clampNumber(1, -1, -5) -> -1
// clampNumber(3, 2, 4) -> 3
```