JSFiddle - React, Tailwind, and code Playground

JavaScript

function generateRandomInt(max) {
          return Math.floor(Math.random() * Math.floor(max));
    }

		const store = new Set()
    
    let randomInt1 = generateRandomInt(10) + 1;
    let randomInt2 = generateRandomInt(10) + 1;
    let numberStore = randomInt1 + "," + randomInt2; 

store.add(numberStore)
store.add(numberStore) // duplicate won't be added

// open developer console to see the results
console.log(randomInt1);
console.log(randomInt2);
console.log(store);
console.log('--------------')