Ah, you're right, I missed that. Small amount of bile revoked. But it should have been MUCH more strongly emphasized as the only way to do it, unless you have

Ah, you're right, I missed that. Small amount of bile revoked. But it should have been MUCH more strongly emphasized as the only way to do it, unless you have a very good reason, not tucked down in the bottom as "oh, if you feel like it, here's a trick to make your code a little better." Especially in a tutorial that's meant for beginners in JS.