如何使用JavaScript使访问者的浏览器全屏显示,同时兼容IE、Firefox和Opera?
当前回答
您可以使用全屏API 你可以在这里看到一个例子
全屏API为web内容提供了一种简单的方式 使用用户的整个屏幕呈现。本文提供了 有关使用此API的信息。
其他回答
这个函数非常好用
function toggle_full_screen()
{
if ((document.fullScreenElement && document.fullScreenElement !== null) || (!document.mozFullScreen && !document.webkitIsFullScreen))
{
if (document.documentElement.requestFullScreen){
document.documentElement.requestFullScreen();
}
else if (document.documentElement.mozRequestFullScreen){ /* Firefox */
document.documentElement.mozRequestFullScreen();
}
else if (document.documentElement.webkitRequestFullScreen){ /* Chrome, Safari & Opera */
document.documentElement.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
}
else if (document.msRequestFullscreen){ /* IE/Edge */
document.documentElement.msRequestFullscreen();
}
}
else
{
if (document.cancelFullScreen){
document.cancelFullScreen();
}
else if (document.mozCancelFullScreen){ /* Firefox */
document.mozCancelFullScreen();
}
else if (document.webkitCancelFullScreen){ /* Chrome, Safari and Opera */
document.webkitCancelFullScreen();
}
else if (document.msExitFullscreen){ /* IE/Edge */
document.msExitFullscreen();
}
}
}
要使用它,只需调用:
toggle_full_screen();
以下是我对全屏和退出全屏的完整解决方案(非常感谢上面塔的回答):
$(document).ready(function(){
$.is_fs = false;
$.requestFullScreen = function(calr)
{
var element = document.body;
// Supports most browsers and their versions.
var requestMethod = element.requestFullScreen || element.webkitRequestFullScreen || element.mozRequestFullScreen || element.msRequestFullScreen;
if (requestMethod) { // Native full screen.
requestMethod.call(element);
} else if (typeof window.ActiveXObject !== "undefined") { // Older IE.
var wscript = new ActiveXObject("WScript.Shell");
if (wscript !== null) {
wscript.SendKeys("{F11}");
}
}
$.is_fs = true;
$(calr).val('Exit Full Screen');
}
$.cancel_fs = function(calr)
{
var element = document; //and NOT document.body!!
var requestMethod = element.exitFullScreen || element.mozCancelFullScreen || element.webkitExitFullScreen || element.mozExitFullScreen || element.msExitFullScreen || element.webkitCancelFullScreen;
if (requestMethod) { // Native full screen.
requestMethod.call(element);
} else if (typeof window.ActiveXObject !== "undefined") { // Older IE.
var wscript = new ActiveXObject("WScript.Shell");
if (wscript !== null) {
wscript.SendKeys("{F11}");
}
}
$(calr).val('Full Screen');
$.is_fs = false;
}
$.toggleFS = function(calr)
{
$.is_fs == true? $.cancel_fs(calr):$.requestFullScreen(calr);
}
});
// 调用:
<input type="button" value="Full Screen" onclick="$.toggleFS(this);" />
幸运的是,对于毫无戒心的网络用户来说,这不能用javascript完成。你需要编写特定于浏览器的插件,如果它们还不存在的话,然后以某种方式让人们下载它们。你能得到的最接近的是一个最大化的窗口,没有工具或导航栏,但用户仍然能够看到url。
窗口.open(“http://www.wege.com”,“标题”,“类型”=fullWindow, fullscreen, scrollbars=yes);“>
这通常被认为是不好的做法,因为它从用户那里删除了很多浏览器功能。
你能试试吗:
<script type="text/javascript"> function go_full_screen(){ var elem = document.documentElement; if (elem.requestFullscreen) { elem.requestFullscreen(); } else if (elem.msRequestFullscreen) { elem.msRequestFullscreen(); } else if (elem.mozRequestFullScreen) { elem.mozRequestFullScreen(); } else if (elem.webkitRequestFullscreen) { elem.webkitRequestFullscreen(); } } </script> <a href="#" onClick="go_full_screen();">Full Screen / Compress Screen</a>
函数f () {plr.requestFullscreen (); document.exitFullscreen ()};plr.requestFullscreen():document.exitFullscreen()}
<!DOCTYPE html><html><head>
<style>
body{background:#000}
#plr{position:relative;background:#fff;width:360px}
#vd{width:100%;background:grey}
button{width:48px;height:48px;border:0;background:grey}
</style>
</head><body>
<div id="plr">
<video id="vd" src="video.mp4"></video>
<button onclick="(plr.offsetWidth==360)?plr.requestFullscreen():document.exitFullscreen()">fs</button>
<button onclick="plr.requestFullscreen();document.exitFullscreen()">fs2</button>
</div>
</body></html>