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JS version to get the real length of the string and the string function to get the fixed length_javascript skills

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Release： 2016-05-16 19:15:42
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The length of double-byte characters is automatically calculated as 2. When selecting characters, the length of single-byte characters is also taken. For example, 2 takes one Chinese character or two letters, and 1 takes one Chinese character or letter.


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JS版获取字符串真实长度和取固定长度的字符串函数
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