<body onkeypress="findCity_enter()">
<div>
城市搜索:<input type="text" width="100px;" id="cityFind" />
<input type="button" id="find" onclick="findCity()" value="搜索" />
</div>
<script type="text/javascript">
//敲回车键相当于确认键
function findCity_enter(){
//回车键的值是13
if(event.keyCode == 13){
//调用搜索按键事件
document.getElementById("find").click();
}
}
function findCity(){
alter("实验");
}
</script>