get the most repeated number in an array

highFreq.js

arr = [12, 10, 8, 12, 7, 6, 4, 10, 12];
const unique = [...new Set(arr)] 
let obj = {};
for(let i=0;i<arr.length;i++) {
	obj[arr[i]] = (obj[arr[i]] || 0 )+1
} 

const max = Math.max(...Object.values(obj))

const [highFreq] = unique.filter(i => obj[i] === max)