It isn't hard to correctly convert from camel case, you just tree any sequence of one letter words as a single word. However, without a standard for camel case

It isn't hard to correctly convert from camel case, you just tree any sequence of one letter words as a single word. However, without a standard for camel case acronym calculation, when you convert back you won't necessarily get an exact match. I presume, the ability to get the exact camelCase capitalization you want is why the html spec does the conversion this way: https://html.spec.whatwg.org/multipage/dom.html#dom-dataset-dev https://html.spec.whatwg.org/multipage/dom.html#dom-dataset-...