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js全屏

2015-07-07 14:06 633 查看 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
<title>微信墙</title>
<link rel="stylesheet" type="text/css" href="css.css">
<script type="text/javascript" src="images/jq.min.1.11.1.js"></script>
<script type="text/javascript">

(function(){
var fullScreenApi = {
supportsFullScreen: false,
isFullScreen: function() { return false; },
requestFullScreen: function() {},
cancelFullScreen: function() {},
fullScreenEventName: '',
prefix: ''
},
browserPrefixes = 'webkit moz o ms khtml'.split(' ');
// check for native support
if (typeof document.cancelFullScreen != 'undefined') {
fullScreenApi.supportsFullScreen = true;
} else {
// check for fullscreen support by vendor prefix
for (var i = 0, il = browserPrefixes.length; i < il; i++ ) {
fullScreenApi.prefix = browserPrefixes[i];
if (typeof document[fullScreenApi.prefix + 'CancelFullScreen' ] != 'undefined' ) {
fullScreenApi.supportsFullScreen = true;
break;
}
}
}
// update methods to do something useful
if (fullScreenApi.supportsFullScreen) {
fullScreenApi.fullScreenEventName = fullScreenApi.prefix + 'fullscreenchange';
fullScreenApi.isFullScreen = function() {
switch (this.prefix) {
case '':
return document.fullScreen;
case 'webkit':
return document.webkitIsFullScreen;
default:
return document[this.prefix + 'FullScreen'];
}
}
fullScreenApi.requestFullScreen = function(el) {
return (this.prefix === '') ? el.requestFullScreen() : el[this.prefix + 'RequestFullScreen']();
}
fullScreenApi.cancelFullScreen = function(el) {
return (this.prefix === '') ? document.cancelFullScreen() : document[this.prefix + 'CancelFullScreen']();
}
}
// jQuery plugin
if (typeof jQuery != 'undefined') {
jQuery.fn.requestFullScreen = function() {
return this.each(function() {
if (fullScreenApi.supportsFullScreen) {
fullScreenApi.requestFullScreen(this);
}
});
};
}
window.fullScreenApi = fullScreenApi;
})();
</script>
</head>
<body class="wx-wall" id="fullscreenbox">

<div class="wx-wall-main" >

</div>

<div class="wx-wall-footer">
<div class="footer-content">
<div class="footer-notice">
<div class="notice">
<marquee></marquee>
</div>
</div>
<div class="footer-menu">
<ul>
<li><a class="quanpin" title="全屏"  href="javascript:void(0)" id="fullscreenbtn"></a></li>
</ul>
</div>
</div>
</div>
</div>
</body>
<script type="text/javascript">

$(function(){
$('#fullscreenbtn').click(function(){
if(window.fullScreenApi.supportsFullScreen){
window.fullScreenApi.requestFullScreen(document.getElementById('fullscreenbox'));
}else{
alert('就你这浏览器，基本就告别全屏功能了');
}
});
});
</script>
</html>
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