我只想问下面这个英语正宗吗？
37 down vote accepted
Internet Explorer is the only browser which really suffers from this in today's world. (Versions 5, 6, and 7 were dog slow. 8 does not show the same degradation.) What's more, IE gets slower and slower the longer your string is.
【 在 vonNeumann (劣币驱逐良币 | Busy) 的大作中提到: 】
: 这可不一定，这取决于实现。大量字符串拼接时，join 可以先把结果串的长度算出来才开始拷内容，避免反复重新分配内存。
: 当然现在 js 通常是直接用加号更快了。而 Python 至今仍然是 join 比加快。
: Browser string optimizations have changed the string concatenation picture.
: ...................
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FROM 222.67.43.*