Posted in Javascript onJanuary 16, 2014
(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);
}
});
};
}
// export api
window.fullScreenApi = fullScreenApi;
})();
$(function(){
$("#fullScreenBtn").click(function(){
$("#fullScreen").requestFullScreen();
});
if(window.top != self){
$("#tip").text("iframe里面不能演示该功能！请点击右下角的全屏查看！").show();
}
});
if (!fullScreenApi.supportsFullScreen) {
alert("您的破浏览器不支持全屏API哦，请换高版本的chrome或者firebox！");
}
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>javascript启用全屏</title> <script id="jquery_183" type="text/javascript" class="library" src=jquery-1.8.3.min.js"></script> </head> <body> <button id="fullScreenBtn">点击我进入全屏模式</button> <div id="fullScreen" class="fullScreen"> <h1> 我是全屏区域的内容！ </h1> <div id="tip" style="display:none;"> </div> </div> </body> </html>
body{
background:#fff;
}
button{
border:1px solid #ccc;
cursor:pointer;
display:block;
margin:auto;
position:relative;
top:100px;
}
.fullScreen{
padding-top:10%;
text-align:center;
background: none repeat scroll 0 0 #FFFFFF;
}
/* Mozilla proposal (dash) */
.fullScreen:full-screen {
width:100%;
height:100%;
}
/* W3C proposal (no dash) */
.fullScreen:fullscreen {
width:100%;
height:100%;
}
/* currently working vendor prefixes */
.fullScreen:-webkit-full-screen, .fullScreen:-moz-full-screen {
width:100%;
height:100%;
}
:-webkit-full-screen{
width:100%;
height:100%;
} 利用浏览器全屏api实现js全屏
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