Question

How to convert map keys to an array in TypeScript

Answer 1

let mp = new Map();
  
mp.set("TypeScript", 23);
mp.set("Java", 89);
mp.set("C", 31);
mp.set("C++", 93);
mp.set("PHP", 77);

const arr = Array.from(mp.keys());

console.log(arr); 
 
   
   
   
   
/*
run:
   
["TypeScript", "Java", "C", "C++", "PHP"] 
   
*/

 

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