12 lines
226 B
JavaScript
12 lines
226 B
JavaScript
function mean(array)
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{
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var sum = 0, i;
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for (i = 0; i < array.length; i++)
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{
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sum += array[i];
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}
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return array.length ? sum / array.length : 0;
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}
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alert( mean( [1,2,3,4,5] ) ); // 3
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alert( mean( [] ) ); // 0
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