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新浪微博的字数判断解决办法

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Release： 2016-06-13 13:32:44
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新浪微博的字数判断
新浪微博的字数判断怎么做的呀，光知道规则，有高手能用js写出来吗？
需求：英文字母和半角的符号（除了空格）全算半个，中文和全角符号算一个。
以http://开头的网络地址不管多少都算10个，而且能存在多个网络地址，有几个就算几个10

------解决方案--------------------

还可以输入140个字符






网络地址的好像有问题，我也不大会写

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