Question

How to sort a map by key in ascending order with JavaScript

Answer 1

function print(mp) {
  for (let [key, value] of mp) {
      console.log(key, value);            
  }
}

let mp = new Map([
  ['JavaScript', 4],
  ['TypeScript', 3],
  ['C++',1],
  ['Node.js', 2],
]);

mp = new Map([...mp].sort());

print(mp);


  
  
  
  
/*
run:
  
"C++", 1
"JavaScript", 4
"Node.js", 2
"TypeScript", 3
  
*/

 

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