function(str)//True 没有全角,False有全角 { for (var i = 0; i < str.length; i++) { strCode = str.charCodeAt(i); if ((strCode > 65248) || (strCode == 12288)) { return false; } } return true; } from:http://www.cnblogs.com/an-wl/archive/2011/05/26/2058109.html
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