is-implemented.js 186 Bytes RawBlameHistoryPermalink 1 2 3 4 5 6 7 "use strict"; module.exports = function () { var arr = [1, 2, 3, 4, 5, 6]; if (typeof arr.fill !== "function") return false; return String(arr.fill(-1, -3)) === "1,2,3,-1,-1,-1"; };