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
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();
其他回答
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);" />
既然全屏api越来越广泛,而且似乎越来越成熟,为什么不试试Screenfull.js呢?我昨天第一次使用它,今天我们的应用程序在(几乎)所有浏览器中真正全屏!
确保它与CSS中的:fullscreen伪类相结合。详见https://www.sitepoint.com/use-html5-full-screen-api/。
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>
screenfull.js试试。这是一个很好的跨浏览器解决方案,应该也适用于Opera浏览器。
JavaScript全屏API跨浏览器使用的简单包装器,它允许您将页面或任何元素显示为全屏。消除了浏览器实现的差异,所以您不必这样做。
演示。
创建函数
function toggleFullScreen() {
if ((document.fullScreenElement && document.fullScreenElement !== null) ||
(!document.mozFullScreen && !document.webkitIsFullScreen)) {
$scope.topMenuData.showSmall = true;
if (document.documentElement.requestFullScreen) {
document.documentElement.requestFullScreen();
} else if (document.documentElement.mozRequestFullScreen) {
document.documentElement.mozRequestFullScreen();
} else if (document.documentElement.webkitRequestFullScreen) {
document.documentElement.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
}
} else {
$scope.topMenuData.showSmall = false;
if (document.cancelFullScreen) {
document.cancelFullScreen();
} else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
} else if (document.webkitCancelFullScreen) {
document.webkitCancelFullScreen();
}
}
}
在Html中放代码像
<ul class="unstyled-list fg-white">
<li class="place-right" data-ng-if="!topMenuData.showSmall" data-ng-click="toggleFullScreen()">Full Screen</li>
<li class="place-right" data-ng-if="topMenuData.showSmall" data-ng-click="toggleFullScreen()">Back</li>
</ul>