摘要：
var KnowName = $.trim($("#know_name").val());//$.trim()去空格//KnowName == null || KnowName.trim() == '' //ie8不支持trim()方法if(!KnowName){//档knowName为null，"... 阅读全文
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摘要：
var KnowName = $.trim($("#know_name").val());//$.trim()去空格//KnowName == null || KnowName.trim() == '' //ie8不支持trim()方法if(!KnowName){//档knowName为null，"... 阅读全文
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