function print(mp) {
for (let [key, value] of mp) {
console.log(key, value);
}
}
let mp = new Map([
['JavaScript', 4],
['TypeScript', 3],
['C++',1],
['PHP',5],
['Node.js', 2],
]);
mp = new Map([...mp].sort((a, b) => a[1] - b[1]));
print(mp);
/*
run:
C++ 1
Node.js 2
TypeScript 3
JavaScript 4
PHP 5
*/