Question

How to sort a map by key in descending order with TypeScript

Answer 1

function print(mp : any) {
  for (let [key, value] of mp) {
      console.log(key, value);            
  }
}
 
let mp = new Map([
  ['JavaScript', 4],
  ['TypeScript', 3],
  ['C++',1],
  ['C',5],
  ['Node.js', 2],
]);
 
mp = new Map([...mp].sort().reverse());

print(mp);
  
console.log([...mp]);
 
   
   
   
   
/*
run:
   
"TypeScript",  3 
"Node.js",  2 
"JavaScript",  4 
"C",  5 
"C++",  1 
[["TypeScript", 3], ["Node.js", 2], ["JavaScript", 4], ["C", 5], ["C++", 1]] 
   
*/

 

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