31 lines
404 B
JavaScript
31 lines
404 B
JavaScript
const sumAll = function(i, n) {{
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if (i < 0) {
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return ('ERROR');
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}
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if (typeof n === 'string') {
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return ('ERROR');
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}
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if (typeof n === 'object'){
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return ('ERROR');
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}
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if (i > n){
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([i,n] = [n,i]);
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}
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var myNum = 0;
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for (i; i <= n; i++) {
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myNum = myNum + i;
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}
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return (myNum);
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}
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sumAll(1,4);
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sumAll(123,1);
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sumAll(1,4000);
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sumAll(-10,4);
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sumAll(10,"90");
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sumAll(10,[90,1]);
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}
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module.exports = sumAll
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