Question

How to convert map keys to an array in Node.js

Answer 1

let mp = new Map();
  
mp.set("Node.js", 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:
   
[ 'Node.js', 'Java', 'C', 'C++', 'PHP' ]
   
*/

 

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