JSFiddle - React, Tailwind, and code Playground

by IPWright83

JavaScript

let obj = { T: 1, h: 1, i: 3, s: 3, t: 1, r: 1, n: 1, g: 1 };

let seen = {};
console.log(Object.entries(obj).reduce((result, [key, value]) => {
  if (seen[value]) {
    return result;
  }
	
  seen[value] = key;
  
  return {
     ...result,
     [key]: value
  };
}, {}))