BOM(Broswer Object Model)
凡是 window 的属性和方法,均可以省略“window.”
方法:
框窗
1.警告框
window.alert("msg");
2.确认框
window.confirm("msg");
3.询问框
window.prompt("msg","defaulvalue")
页面
1.打开一个窗口
window.open()
2.在子窗口中使用,表示父窗口的window对象
window.opener
window.opener.fatherSayHello(); 调用父窗口的方法window.opener.a
3.关闭当前窗口
window.close()
window.close(); 关闭当前window.opener.close(); 关闭父窗口
定时任务
1.定时任务
var taskid = window.setTimeout(function,ms);window.setTimeout("alert('hello!')", 5000);
2.间隔执行任务
var taskid = window.setInteval(function,ms);
3.清除定时任务
window.clearTimeout(taskid);
4.清除间隔执行任务
window.clearInteval(taskid);
打印屏幕
//长*宽console.log(screen.width + "*" + screen.height)
后退
window.history.back();
前进
window.history.forward();
刷新
window.location.reload();//刷新window.location.href = window.location.href;//刷新
Go 前进(x)步,后退(x)步,刷新(0),
window.history.go(x)
链接
window.location.href = http://www.baidu.com;
用户代理 浏览器内核
console.log(window.navigator.userAgent)
框窗
//凡是window的属性和方法,均可以省略“window.”<script type="application/javascript">// 警告框function testAlert(){var result=window.alert("这是一个警告框")console.log(result);}// confirm 确认框function testConfirm(){var result =window.confirm("你确认要离开了吗?");if(result){alert("欢迎下次再来!")}else{alert("那你在逛逛吧!")}consol.log(result);}// prompt 询问框function testPrompt(){var result = window.prompt("请输入U盾密码","例如:123456");console.log(result);}</script><body><button onclick="testAlert();">testAlert</button><button onclick="testConfirm();">testConfirm</button><button onclick="testPrompt();">testPrompt</button></body>
页面
//子页面<script type="application/javascript">function sayHello(){alert("hello world")}//打开一个窗口function callFatherMethod(){window.opener.fatherSayHello();window.opener.a}//关闭本窗口function testClose(){window.close();}//关闭父窗口function testFatherClose(){window.opener.close();}</script><body><button onclick="callFatherMethod()">调用父窗口的方法</button><button onclick="testClose()">关闭本窗口</button><button onclick="testFatherClose()">关闭父窗口</button></body>//父页面<script type="application/javascript">var a = 10;window.onload = function(){console.log(window);console.log("11111111111")}//打开一个新窗口function testOpen(){var sonwindow = window.open("son.html","aaa","height=300,width=500,top=50,left=50,toolbar=no,menubar=no,scrollbars=no,resizable=no,location=no,status=no")//子窗口的window对象console.log(sonwindow);}function fatherSayHello(){alert("hello son!");}</script><body><button onclick="testOpen();">打开一个新窗口</button></body>
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