19 lines
464 B
JavaScript
19 lines
464 B
JavaScript
const sumAll = function(minimum, maximum) {
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let sum=0;
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let min = minimum
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let max = maximum
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if (typeof(min) !== 'number' || typeof(max) !== 'number' || min < 0 || max < 0){
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return 'ERROR'
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} else if(min > max){
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min = maximum
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max = minimum
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}
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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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console.log(sumAll(1,5) === 15?true:false)
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// Do not edit below this line
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module.exports = sumAll;
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