点击的那个button

<input type= "Button" name ="add" value="添加" onClick ="check(this)"/>
<input type= "Button" name ="delete" value="删除" onClick ="check(this)"/>
<input type= "Button" name ="update" value="修改" onClick ="check(this)"/>

<input type= "Button" name ="search" value="查找" onClick ="check(this)"/>

 <script>
    function check(obj) {
        alert("点击按钮名称=["+obj.name+"],按钮value=["+obj.value+"]");
    }
</script>