is-implemented.js 213 Bytes RawBlameHistoryPermalink 1 2 3 4 5 6 7 8 9 "use strict"; var str = "razdwatrzy"; module.exports = function () { if (typeof str.startsWith !== "function") return false; return (str.startsWith("trzy") === false) && (str.startsWith("raz") === true); };