var keywords=["阿扁","呵呵","bcc"];

$("input[type=text]").on("blur",function(){

    _filter_method($(this));

});

$("textarea").on("blur",function(){

    _filter_method($(this));

});  

function _filter_method(obj){

    //获取文本输入框中的内容

    var value = $(obj).val();

    //遍历敏感词数组

    for(var i=0;i<keywords.length;i++){

        //全局替换

        var reg = new RegExp(keywords[i],"g");

        //判断内容中是否包括敏感词

        if(value.indexOf(keywords[i])!=-1){

            var result = value.replace(reg,"**");

            value = result;

            $(obj).val(result);

        }

    }

}