I think this is because V8, the JavaScript engine for Chrome uses USC-2 encoding. USC-2 characters can take up to 16 bits, not enough room to hold most of Unico

I think this is because V8, the JavaScript engine for Chrome uses USC-2 encoding. USC-2 characters can take up to 16 bits, not enough room to hold most of Unicode 6.0 characters. There have been previous discussions about the topic here on HN: https://news.ycombinator.com/item?id=4833631 https://news.ycombinator.com/item?id=4833631