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javascript-如何获取p标签的行数/字数?
- WBOYOriginal
- 2016-06-02 11:34:133330browse
javascriptphphtml
如题,请问如何判断/获取p标签(或textarea 文本域)的行数?
如:不管是自动换行,还是用户手动换行,只能输入5行.
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