let mp = new Map();
mp.set("TypeScript", 23);
mp.set("Java", 89);
mp.set("C", 31);
mp.set("C++", 93);
mp.set("PHP", 77);
mp = new Map(Array.from(mp).reverse());
mp.forEach((value, key) => {
console.log(`${key} ${value}`);
});
/*
run:
"PHP 77"
"C++ 93"
"C 31"
"Java 89"
"TypeScript 23"
*/