Question

How to get the first element of a map in JavaScript

Answer 1

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

const first_element = [...mp][0];

console.log(first_element);

console.log(first_element[0]);
console.log(first_element[1]);

   
   
/*
run:
         
["JavaScript", 4]
"JavaScript"
4
       
*/

 

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