Underscore.js
좋은 javascript 라이브러리 하나 underscorejs.org var nums = [1, 2, 3, 4, 5]; function doubleAll(array) { return _.map(array, function(n) { return n * 2; }); } var result = doubleAll(nums); console.log(result);// [2, 4, 6, 8, 10] function average(array) { var sum = _.reduce(array, function(a, b, seq) { console.log("a : " + a + " , b : " + b + " , seq : " + seq); return a + b; }); return sum / _.size(array..
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