Question

How to uppercase all keys in an object with JavaScript

Answer 1

let obj = {
    q: 'JavaScript',
    lang: 'en',
    limit: 10
};

obj = Object.fromEntries(Object.entries(obj).map(([key, value]) => [key.toUpperCase(), value]));

console.log(obj); 
  


  
/*
run:
  
{
  LANG: "en",
  LIMIT: 10,
  Q: "JavaScript"
}
  
*/

 

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