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