18 lines
535 B
Markdown
18 lines
535 B
Markdown
### inRange
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Checks if the given number falls in the given range.
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Use arithmetic comparison to check if the given number is in the specified range.
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If the second parameter, `end`, is not specified, the reange is considered to be from `0` to `start`.
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```js
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const inRange = (n, start, end=null) => {
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if(end && start > end) end = [start, start=end][0];
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return (end == null) ? (n>=0 && n<start) : (n>=start && n<end);
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}
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// inRange(3, 2, 5) -> true
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// inRange(3, 4) -> true
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// inRange(2, 3, 5) -> false
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// inrange(3, 2) -> false
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```
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