Question

How to reverse the order of a map in JavaScript

Answer 1

let mp = new Map();
    
mp.set("JavaScript", 23);
mp.set("Java", 89);
mp.set("C", 31);
mp.set("C++", 93);
mp.set("PHP", 77);
 
mp = new Map(Array.from(mp).reverse());
 
mp.forEach((value, key) => {
    console.log(`${key} ${value}`);
});
    
        
        
         
/*
run:
         
"PHP 77"
"C++ 93"
"C 31"
"Java 89"
"JavaScript 23"
         
*/

 

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