Another update from ingydotnet^djgoku

Task/Sum-multiples-of-3-and-5/JavaScript/sum-multiples-of-3-and-5-1.js

@@ -0,0 +1 @@
+ Number.MAX_SAFE_INTEGER

Task/Sum-multiples-of-3-and-5/JavaScript/sum-multiples-of-3-and-5-2.js

@@ -0,0 +1,59 @@
+(function (lstFactors, intExponent) {
+
+    // [n] -> n -> n
+    function sumMultiplesBelow(lstIntegers, limit) {
+        return range(1, limit - 1).filter(function (x) {
+            return isMultiple(lstIntegers, x);
+        }).reduce(function (a, n) {
+            return a + n;
+        }, 0)
+    }
+
+    // [n] -> n -> bool
+    function isMultiple(lst, n) {
+        var i = lng;
+        while (i--)
+            if (n % (lst[i]) === 0) return true;
+        return false;
+    }
+
+    // [m..n]
+    function range(m, n) {
+        var a = Array(n - m + 1),
+            i = n + 1;
+        while (i--) a[i - 1] = i;
+        return a;
+    }
+
+
+    /*      TESTING     */
+
+    // [[a]] -> bool -> s -> s
+    function wikiTable(lstRows, blnHeaderRow, strStyle) {
+        return '{| class="wikitable" ' + (
+            strStyle ? 'style="' + strStyle + '"' : ''
+        ) + lstRows.map(function (lstRow, iRow) {
+            var strDelim = ((blnHeaderRow && !iRow) ? '!' : '|');
+
+            return '\n|-\n' + strDelim + ' ' + lstRow.map(function (v) {
+                return typeof v === 'undefined' ? ' ' : v;
+            }).join(' ' + strDelim + strDelim + ' ');
+        }).join('') + '\n|}';
+    }
+
+    var lng = lstFactors.length,
+        lstSorted = lstFactors.slice(0).sort();
+
+    var lstTable = [['Below', 'Sum']].concat(
+        range(1, intExponent).map(function (x) {
+            var pwr = Math.pow(10, x);
+
+            return ['10^' + x, sumMultiplesBelow(lstSorted, pwr)];
+        })
+    );
+
+    return 'For ' + JSON.stringify(lstFactors) + ':\n\n' +
+        wikiTable(lstTable, true) + '\n\n' +
+        JSON.stringify(lstTable);
+
+})([3, 5], 8);

Task/Sum-multiples-of-3-and-5/JavaScript/sum-multiples-of-3-and-5-3.js

@@ -0,0 +1,3 @@
+ [["Below","Sum"],["10^1",23],["10^2",2318],["10^3",233168],
+ ["10^4",23331668],["10^5",2333316668],["10^6",233333166668],
+ ["10^7",23333331666668],["10^8",2333333316666668]]