Why doesn't the condition work?

Question

JavaScript

I can't figure out why it doesn't work

var name = prompt("Введите ваше имя", "");

if (name != null) {
  alert(name);
}
else
{
  alert("Вы не ввели имя!");
  
}

Answer 1

var name = prompt("Введите ваше имя", "");

if (name.trim() != "") 
  alert(name);
else
  alert("Вы не ввели имя!");