**替换敏感词

function foo(){
     var value=document.getElementsByTagName("input")[0].value;
     var str=["纪检","纪委","纪检监察"];
    for(var i=0;i<str.length;i++) {
      var  index= value.indexOf(str[i]);
       var count=0;
        var replacetext=" ";
     if(index>=0){
        count++;
         replacetext=" **";
         if(str[i]=="纪检监察"){
             replacetext=" ****";
         }
         valuea=value.replace(str[i],replacetext);
         document.getElementsByTagName("input")[0].value=valuea;
         document.getElementById("h").value="替换了"+count+"处"

     }

    }


 }

</script>
<input type="text" name="name"/>
<button onclick="foo()">提交</button>
<input type="text" id="h"/>
</body>