const tldList = require('../formats/js/tld-enum/list'); console.log("There are " + tldList.length + " IANA TLDs"); let tldCheck; tldCheck = "com"; console.log("Is '" + tldCheck + "' a real TLD?"); if (tldList.indexOf(tldCheck.toLowerCase()) != -1) { console.log(" yes"); } else { console.log(" no"); } tldCheck = "somethingWeird"; console.log("Is '" + tldCheck + "' a real TLD?"); if (tldList.indexOf(tldCheck.toLowerCase()) != -1) { console.log(" yes"); } else { console.log(" no"); }