文本框赋值的问题

Question

怎么能让多个复选框的值放到一个文本框中并用逗号给开啊

Answer 1

<input type="text" id="txtName" />

<input type="checkbox" name="cbInput" value="1" onclick="fChange()" />
<input type="checkbox" name="cbInput" value="2" onclick="fChange()" />
<input type="checkbox" name="cbInput" value="3" onclick="fChange()" />


<script type="text/javascript">
function fChange(){
    var objs = document.getElementsByName("cbInput");
    var objValue="";
    for(var i=0; i<objs.length; i++){
        if(objs[i].type=="checkbox" ){
            if(objs[i].checked){
                objValue=objValue+","+objs[i].value;
            }
        }
    }
    if(objValue.length>0){
        objValue=objValue.substr(1,objValue.length-1);
    }
    document.getElementById("txtName").value=objValue;
}
</script>

Answer 2

楼上不错哦