// creating an empty map create new map bfom // Created by BroFarOps Jul 02 2019 var bfom = new Map(); // adding some elements to the bfom bfom.set("first", "Robert"); bfom.set("last", "Brown"); bfom.set("website 1", "BroFarOps Marketing", "bfomarketing.emarketteam.com"); bfom.set("website", "BroFarOps GTS", "brofarops.tk"); bfom.set("company", "BroFarOps Creations LLC") bfom.set("friend 1","Tracy"); bfom.set("friend 2","Jimmie"); bfom.set("friend 3","Trevor"); bfom.set("wife 1","Trista"); bfom.set("wife 2","Cherie"); bfom.set("wife 3","Norma"); // bfom contains // "first" => "Robert" // "last" => "Brown" // "website" => "bfomarketing" // "friend 1" => "Tracy" // "friend 2" => "Jimmie" // "friend 3" => "Trevor" // "wife 1" => "Trista" // "wife 2" => "Cherie" // "wife 3" => "Norma" document.write(bfom); document.write("
O:BFOM File

"); document.write("
"); document.write(bfom.get("first")+" "+bfom.get("last")); document.write("
") document.write(bfom.get("company")); document.write("

"); // Using bfom.prototype.has(k) // retuns true document.write("bfo directory has website ? " + bfom.has("website"));   document.write("
"); // return true document.write("bfo directory has friend 3 ? " + bfom.has("friend 3")); document.write("
");        // return true document.write("bfo dirctory has wife 3 ? " + bfom.has("wife 3"));   document.write("
"); // Using bfom.prototype.get(k) // returns bfomarketing document.write("get value for key website " + bfom.get("website"));   document.write("
"); // returns undefined document.write("get value for key friend 3 " + bfom.get("friend 3"));   document.write("
"); // Using bfom.prototype.delete(k)    // removes key "website" and its value from // the bfom // it prints the value of the key document.write("delete element with key website " + bfom.delete("website"));       document.write("
"); // as the value is deleted from // the bfom hence it returns false document.write("bfo directory has website ? " + bfom.has("website")); document.write("
"); document.write("get value for new key website " + bfom.get("website 1")); document.write("
"); // returns false as this key is not in the list document.write("delete element with key website " + bfom.delete("friend 3"));       // Using bfom.prototype.clear() // removing all values from bfom bfom.clear();    // map1 is empty console.log("C:BFOM File"); console.log(bfom);

Map() javascript