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Update basic.md #15

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2 changes: 1 addition & 1 deletion grammar/basic.md
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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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