Even with js turned on, I get a mostly blank page. It chokes on String.prototype.endsWith, which is an ES6 feature not supported by my very-slightly-out-of-date

Even with js turned on, I get a mostly blank page. It chokes on String.prototype.endsWith, which is an ES6 feature not supported by my very-slightly-out-of-date version of Safari. If you want to render your blog in client side js AND use fresh-from-the-oven js features, the least you can do is include a polyfill.