Question

How to print map with forEach in TypeScript

Answer 1

const mp = new Map();
 
mp.set('aq', 1);
mp.set('bbq', 2);
mp.set('cccq', 3);
mp.set('ddddq', 4);
mp.set('eeeeeq', 5);
 
function printMap(value : number, key : string) {
    console.log(`Key: ${key}, Value: ${value}`);
}
 
mp.forEach(printMap);
  
  
      
      
/*
run:
      
"Key: aq, Value: 1" 
"Key: bbq, Value: 2" 
"Key: cccq, Value: 3" 
"Key: ddddq, Value: 4" 
"Key: eeeeeq, Value: 5" 
      
*/

 

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Answer 2

const mp = new Map();
 
mp.set('aq', 1);
mp.set('bbq', 2);
mp.set('cccq', 3);
mp.set('ddddq', 4);
mp.set('eeeeeq', 5);
 
mp.forEach((value, key) => {
    console.log(`Key: ${key}, Value: ${value}`);
});
 
  
  
      
      
/*
run:
      
"Key: aq, Value: 1" 
"Key: bbq, Value: 2" 
"Key: cccq, Value: 3" 
"Key: ddddq, Value: 4" 
"Key: eeeeeq, Value: 5" 
      
*/

 

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