22 lines
614 B
JavaScript
22 lines
614 B
JavaScript
const sumAll = function (min, max) {
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if (!Number.isInteger(min) || !Number.isInteger(max)) return "ERROR";
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if (min < 0 || max < 0) return "ERROR";
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if (min > max) {
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const temp = min;
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min = max;
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max = temp;
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}
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// An alternative way to swap the values of min and max like above is to use the array destructuring syntax.
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// Here's an optional article on it: https://www.freecodecamp.org/news/array-destructuring-in-es6-30e398f21d10/
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// if (min > max) [min, max] = [max, min];
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let sum = 0;
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for (let i = min; i <= max; i++) {
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sum += i;
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}
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return sum;
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};
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module.exports = sumAll;
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