AOC javascript in browser

DAY1.js

t=document.getElementsByTagName("pre")[0].innerHTML.split('\n')
t.pop()
a=[]
b=[]
t.forEach((q) => {
  let [x, _,  __, z] = q.split(' ');
  a.push(x)
  b.push(z)
})
a = a.sort();
b = b.sort();
let ans1=0, ans2=0;
for(let i=0; i<1000; i++) {
  ans1 += Math.abs(a[i]-b[i]);
}
a.forEach((y) => ans2+=y*(b.filter((o) => o == y).length||0) );
console.log(`Ans1: ${ans1}\nAns2: ${ans2}`)