<input id="d"><input type="button" onclick="check()">
<script>
function check(){
if ( confirm("删除请按 确定,修改请按 取消")) {
d.value="";
}
else
{
d.focus();
}
}
</script>
<script>
function check(){
if ( confirm("删除请按 确定,修改请按 取消")) {
d.value="";
}
else
{
d.focus();
}
}
</script>
<script>
function aa(obj){
if(obj.value!="")
{
if(confirm("是否要删除?"))
obj.value = "";
else obj.focus();
}
}
</script>