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2 changes: 1 addition & 1 deletion grammar/basic.md
Original file line number Diff line number Diff line change
Expand Up @@ -630,7 +630,7 @@ s.length // 2

{% endhighlight %}

上面代码说明,对于于U+10000到U+10FFFF之间的字符,JavaScript总是视为两个字符(字符串长度为2),所以处理的时候,必须把这一点考虑在内。假定C是字符的Unicode编号,H是对应的UTF-16的前两个字节,F是对应的UTF-16的后两个字节,则它们之间的换算关系如下:
上面代码说明,对于于U+10000到U+10FFFF之间的字符,JavaScript总是视为两个字符(字符串长度为2),所以处理的时候,必须把这一点考虑在内。假定C是字符的Unicode编号,H是对应的UTF-16的前两个字节,L是对应的UTF-16的后两个字节,则它们之间的换算关系如下:

{% highlight javascript %}

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