Question

How to get an object key by value in TypeScript

Answer 1

function getObjectKey(obj : any, value : any) : any {
  	return Object.keys(obj).find(key => obj[key] === value);
}

const obj = {
  id: 849731,
  name: "tom",
  language: "typescript"
};
  
console.log(getObjectKey(obj, 'tom'));
console.log(getObjectKey(obj, 'typescript'));
    
      
      
      
/*
run:
      
"name"
"language"
      
*/

 

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