Question

How to iterate over enum keys in TypeScript

Answer 1

enum Languages {
  TypeScript = 'A',
  Java = 'B',
  Python = 'C'
}
  
const keys = Object.keys(Languages);
 
keys.forEach((key, index) => {
  console.log(key);
});
 
 
  
   
/*
   
run:
   
"TypeScript" 
"Java" 
"Python" 
  
*/

 

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Answer 2

enum Languages {
  TypeScript,
  Java,
  Python,
}
 
const keys = Object.keys(Languages).filter((v) => isNaN(Number(v)));
 
keys.forEach((key, index) => {
  console.log(key);
});
 
 
  
   
/*
   
run:
   
"TypeScript" 
"Java" 
"Python" 
  
*/

 

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