Question

How to access an enum by index in TypeScript

Answer 1

enum Languages {
  TypeScript = 'A',
  Java = 'B',
  Python = 'C'
}
  
const index = Object.keys(Languages).indexOf('Java');
console.log(index);

const v = Object.values(Languages)[index];

console.log(v); 
 
 
  
   
/*
   
run:
   
1
"B" 
  
*/

 

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Answer 2

enum Languages {
  TypeScript,
  Java,
  Python
}
  
console.log(Languages[1]); 

 
 
  
   
/*
   
run:
   
"Java" 
  
*/

 

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Answer 3

enum Languages {
  TypeScript = 2,
  Java,
  Python
}
  
console.log(Object.values(Languages)[1]); 

 
 
  
   
/*
   
run:
   
"Java" 
  
*/

 

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