Question

How to print map with forEach in Node.js

Answer 1

const mp = new Map();

mp.set('az', 1);
mp.set('bbz', 2);
mp.set('cccz', 3);
mp.set('ddddz', 4);
mp.set('eeeeez', 5);

function printMap(value, key) {
    console.log(`Key: ${key}, Value: ${value}`);
}

mp.forEach(printMap);
 
 
     
     
/*
run:
     
Key: az, Value: 1
Key: bbz, Value: 2
Key: cccz, Value: 3
Key: ddddz, Value: 4
Key: eeeeez, Value: 5
     
*/

 

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Answer 2

const mp = new Map();

mp.set('az', 1);
mp.set('bbz', 2);
mp.set('cccz', 3);
mp.set('ddddz', 4);
mp.set('eeeeez', 5);

mp.forEach((value, key) => {
    console.log(`Key: ${key}, Value: ${value}`);
});
 
 
 
     
     
/*
run:
     
Key: az, Value: 1
Key: bbz, Value: 2
Key: cccz, Value: 3
Key: ddddz, Value: 4
Key: eeeeez, Value: 5
     
*/

 

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