windows对象及其案例
2016-12-06 本文已影响5人
itachi
<!DOCTYPE html>
<html>
<head>
<title>windows对象</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
<script type="text/javascript">
function f1(){
//打开一个新窗口
var win=window.open("cal.html","登陆","width=400px,height=300px");
setTimeout(function(){
win.close();
},5000);
}
//确认框
function f2(){
//点击确认，返回值为true，否则为false
var flag=confirm("确认吗");
if(flag){
alert("你选择了确认");
}else{
alert("你选择了取消 ");
}
}
function f3(){
var msg=prompt("请输入手机号：");
alert(msg);
}
function f4(url){
setTimeout(function(){
location.href=url;
},2000);
}
</script>
</head>
<body style="font-size:30px;">
<input type="button" value="打开窗口" onclick="f1()"/>
<input type="button" value="确认窗口" onclick="f2()"/>
<a href="deldo" onclick="return confirm('你确定删除吗')">删除</a>
<input type="button" value="提示窗口" onclick="f3()"/>
</br>
<input type="button" value="跳转到login" onclick="location.href='login.html'"/>
<input type="button" value="跳转到QQ" onclick="f4('http://www.qq.com')"/>
</body>
</html>
计时器案例
<!DOCTYPE html>
<html>
<head>
<title>动态时钟</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
<style type="text/css">
#p2{
border:1px solid red;
width:100px;
text-align:center;
}
.show{
display:block;
}
.hide{
display:none;
}
</style>
<script type="text/javascript">
var timer;
var is_start=false;//是否启动
function start(){
if(is_start){
return;
}
is_start=true;//控制一秒内多次点击
timer=setInterval(function(){
var now=new Date();
var time=now.toLocaleDateString()+""+now.toLocaleTimeString();
var c=document.getElementById("p1");
c.innerHTML=time
},1000)
}
function stop(){
//如果已经暂停了就不需要暂停了
if(!is_start){
return;
}
clearInterval(timer);
is_start=false;
}
function del(){
//删除数据给予提示，2秒后提示消失
var p=document.getElementById("p2");
p.className="show";
//2秒后关闭
setTimeout(function (){
p.className="hide";
},2000)
}
</script>
</head>
<body>
<input type="button" value="启动" onclick="start();"/>
<button onclick="stop();">暂停</button>
<p id="p1"></p>
<hr/>
<button onclick="del();">删除</button>
<p id="p2" class="hide"> 操作成功</p>
</body>
</html>
图片滚动按钮
<!DOCTYPE html>
<html>
<head>
<title>img_rol.html</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
<style type="text/css">
.show{
display:block;
}
.hide{
display:none;
}
ul{
width:480px;
height:360px;
list-style-type:none;
padding:0px;
}
</style>
<script type="text/javascript">
var id ;
var count=0;//计数器
//开始循环轮播
function start(){
id=setInterval(function (){
var ul=document.getElementById("photos");
var lis=ul.getElementsByTagName("li");
for(var i=0; i<lis.length;i++){
lis[i].className="hide";
}
//找到要显示的li，并且显示
var index=count%lis.length;
lis[index].className="show";
count++;
},1000);
}
//停止图片轮播
function stop(){
clearInterval(id);
}
</script>
</head>
<body>
<!-- onmousemove鼠标悬停事件，onmouseout鼠标撤出事件 -->
<ul id="photos" onmousemove="stop();" onmouseout="start();">
<li class="show"> <img src="../images/f1.jpg"></li>
<li class="hide"> <img src="../images/f2.jpg"></li>
<li class="hide"> <img src="../images/f3.jpg"></li>
<li class="hide"> <img src="../images/f4.jpg"></li>
</ul>
</body>
</html>
