Any suggestion/corrections ? before i see the solution video...

var q1 = prompt ('what is England capital?'); 
var points = 0;
if (q1.toUpperCase() === 'LONDON'){
  points+=1;
alert ('thats correct, yor score is' + points);
} else {alert('no you are wrong');}

var q2 = prompt ('what is the world\'s oldest known city?');
if (q2.toUpperCase() === 'DAMASCAS'){
points+=1;
  alert('thats correct, your score is ' + points);
} else{ alert('no you are wrong');}

var q3 = prompt ('what is 2+3');

if (q3 === '5'){
  points += 1;
  alert ('thats correct, you score is ' + points);
} else{ alert('no you are wrong');}

var q4 = prompt ('Did world trade centre twin towers got hit by planes on 9/11?');

if (q4.toUpperCase() === 'YES'){
points +=1;
  alert ('thats correct, your score is ' + points);

} else {alert('no you are wrong');}

var q5 = prompt ('which sea does river Jordan flows out into?');
if (q5.toUpperCase() === 'DEADSEA'){
points +=1;
  alert ('thats correct, your score is ' + points);

} else {alert('no you are wrong');
  }

document.write ('<h2>so you got ' + points+ ' questions right. </h2>');

if (points === 5){
document.write ('<p>You have earned Gold Crown!</p>');

} else if (points ===4 || points ===3){
document.write('<p>You have earned Silver Crown!</p>');
} else if (points === 2 || points === 1){
document.write('<p>You have earned Bronze Crown!</p>')
}
else { alert ('your score is ' + points +' you Suck!!');}