3 ms·The example at the end of the article shows how you can have the same problem while always using ===.by adamman 12y agoThe example at the end of the article shows how you can have the same problem while always using ===.pdpi 12y agoThe example at the end of the article shows how you deserve all sorts of bad things happening to you if you mutate values in a freaking getter.AUmrysh 12y agoI think it's a great example of why overriding the default prototype functions is a bad idea.