Js: two methods for determining whether a character is a Chinese character. Summary _ javascript skills

This article provides a detailed summary of the two methods for js to determine whether a character is a Chinese character. If you need it, refer to it, if you want to help you, you sometimes need to determine whether a character is a Chinese character. For example, when you enter content containing Chinese and English, you need to determine whether the length exceeds the specified length. There are usually two methods to judge using Javascript.

1. Use regular expressions to determine

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　　Js determines whether the character is a Chinese character