Question

How to check if key exists in enum with TypeScript

Answer 1

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

if (keys.includes('Java' as unknown as Languages)) {
    console.log('exists');
} else {
    console.log('not exists');
}
 

 
  
   
    
/*
    
run:
    
"exists" 
   
*/

 

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