array-reduce.js | 102 function dec(a, b, i, arr) { return a + b * Math.pow(10, arr.length - i - 1); } 498 var arr = [1, 2, 3, 4]; variable 502 ], arr, manipulator, 0); 504 var arr = [1, 2, 3, 4, 5]; variable 510 ], arr, manipulator, 0); 517 var arr = [1, 2, 3, 4]; variable 523 ], arr, extender, 0);
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