sum of postive
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/* You get an array of numbers, return the sum of all of the positives ones.
Example [1,-4,7,12] => 1 + 7 + 12 = 20
Note: if there is nothing to sum, the sum is default to 0. */
//codewars 8kyu
function myFunc(a) {
return a.filter(a => a > 0).reduce((a, b) => a+b, 0);
}
console.log(myFunc([3, 7, -7]));
JavaScript
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