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<meta name="description" content="full screen (全屏)API,现在已经成为了HTML5的一个官方API,不过目前只是被chrome、firefox、safari浏览器实现了,且他们目前都是用的自行实现的函数,而非W3C官方标准的函数。建议在调用之前都检测一下! full screen API主要有两个方法:一是执行全屏,另外一个则是退出全屏。他们的调用方法为: 执行全屏 var element = XXX">
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<meta property="og:description" content="full screen (全屏)API,现在已经成为了HTML5的一个官方API,不过目前只是被chrome、firefox、safari浏览器实现了,且他们目前都是用的自行实现的函数,而非W3C官方标准的函数。建议在调用之前都检测一下! full screen API主要有两个方法:一是执行全屏,另外一个则是退出全屏。他们的调用方法为: 执行全屏 var element = XXX">
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2012-07-21
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<span class="post-meta-item-text">更新于&#58;</span>
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<p>full screen (全屏)API,现在已经成为了HTML5的一个官方API,不过目前只是被chrome、firefox、safari浏览器实现了,且他们目前都是用的自行实现的函数,而非W3C官方标准的函数。建议在调用之前都检测一下!</p>
<p>full screen API主要有两个方法:一是执行全屏,另外一个则是退出全屏。他们的调用方法为:</p>
<p><strong>执行全屏</strong></p>
<pre class="brush: jscript; title: ; notranslate" title="">var element = XXX //这里你需要得到你的一个网页中的对象,可以是整个网页,或者其中一个节点
element.requestFullscreen(); //W3C的方法
element.mozRequestFullScreen(); //firefox实现的方法
element.webkitRequestFullScreen(); //chrome 和safari实现的方法
</pre>
<p><strong>退出全屏</strong></p>
<pre class="brush: jscript; title: ; notranslate" title="">element.exitFullScreen(); //W3C
element.mozCancelFullScreen(); //firefox
element.webkitCancelFullScreen(); //chrome和safari
</pre>
<p>例如,我想全屏整个页面,那个就应该使用:</p>
<pre class="brush: jscript; title: ; notranslate" title="">var documentEle = document.documentElement;
documentEle.webkitRequestFullScreen(); //chrome
</pre>
<p>此外我们还可以监听,full screen 事件,在其状态改变时执行相关操作。</p>
<pre class="brush: jscript; title: ; notranslate" title="">document.addEventListener("fullscreenchange", function () {}, false); //w3c
document.addEventListener("mozfullscreenchange",function(){},false); //firefox
document.addEventListener("webkitfullscreenchange", function () {}, false); //chrome 和safari
</pre>
<p>如果我们想获取当前某个对象数否处于全屏状态,就可以使用下面这个属性:</p>
<pre class="brush: jscript; title: ; notranslate" title="">document.fullScreen //w3c
document.mozFullScreen //firefox
document.webkitIsFullScreen // chrome 和safari
</pre>
<p>经过我的测试(chrome 22),应该是HTML 里面所有对象都是可以被全屏的,如:<iframe>,<img>,<p>,网页本身。不过我们是不能一开始网页就让其处于全屏状态。而需要一些行为来触发这个事件。</p>
<p>在css 里面也有一个对应的选择器来修饰full screen:</p>
<pre class="brush: css; title: ; notranslate" title="">html:fullscreen{
font-size:30px;
color:white;
background:blue;
}
html:-moz-full-screen{
font-size:30px;
color:white;
background:blue;
}
html:-webkit-full-screen{
font-size:30px;
color:white;
background:blue;
}
</pre>
<p>目前IE9 也是不支持full screen 全屏 API的,不知道在IE 10里面支持不!微软在这方面做得真的不怎么样啊。</p>
<blockquote>
<p><a href="http://toozhao.com/playground/fullscreen.html" title="full screen demo">点我查看我做的demo吧!</a>包含全屏网页,和全屏图片,不过由于图片原因效果不好。但是功能有了。哈哈!</p>
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