Javascript 如何同时加载三个视频以稍后播放同步?
想法是同时加载三个视频,加载后,播放同步(同时)。有关网页包括: 最后,有人知道为什么不能在Firefox4中正常工作,在其他浏览器中运行良好 在Html5中做到这一点:Javascript 如何同时加载三个视频以稍后播放同步?,javascript,jquery,video,html5-video,video-processing,Javascript,Jquery,Video,Html5 Video,Video Processing,想法是同时加载三个视频,加载后,播放同步(同时)。有关网页包括: 最后,有人知道为什么不能在Firefox4中正常工作,在其他浏览器中运行良好 在Html5中做到这一点: 使用Javascrit控制视频: <script> // elt.classList is not supported by all the browser. // (For now, only works with Firefox >= 3.6) // Let's fix t
使用Javascrit控制视频:
<script>
// elt.classList is not supported by all the browser.
// (For now, only works with Firefox >= 3.6)
// Let's fix that.
var containsClass = function (elm, className) {
if (document.documentElement.classList) {
containsClass = function (elm, className) {
return elm.classList.contains(className);
}
} else {
containsClass = function (elm, className) {
if (!elm || !elm.className) {
return false;
}
var re = new RegExp('(^|\\s)' + className + '(\\s|$)');
return elm.className.match(re);
}
}
return containsClass(elm, className);
}
var addClass = function (elm, className) {
if (document.documentElement.classList) {
addClass = function (elm, className) {
elm.classList.add(className);
}
} else {
addClass = function (elm, className) {
if (!elm) {
return false;
}
if (!containsClass(elm, className)) {
elm.className += (elm.className ? " " : "") + className;
}
}
}
addClass(elm, className);
}
var removeClass = function (elm, className) {
if (document.documentElement.classList) {
removeClass = function (elm, className) {
elm.classList.remove(className);
}
} else {
removeClass = function (elm, className) {
if (!elm || !elm.className) {
return false;
}
var regexp = new RegExp("(^|\\s)" + className + "(\\s|$)", "g");
elm.className = elm.className.replace(regexp, "$2");
}
}
removeClass(elm, className);
}
var toggleClass = function (elm, className)
{
if (document.documentElement.classList) {
toggleClass = function (elm, className) {
return elm.classList.toggle(className);
}
} else {
toggleClass = function (elm, className) {
if (containsClass(elm, className))
{
removeClass(elm, className);
return false;
} else {
addClass(elm, className);
return true;
}
}
}
return toggleClass(elm, className);
}
// OK, fixed.
var sloooooow = false;
window.addEventListener("load", function() {
// INIT
window.addEventListener("keypress", function(e) {
if (e.charCode == 32) {
alert('Funciona');
}
}, true);
// Make videos selectable
var selecting = false;
var videoWrappers=document.querySelectorAll(".videoWrapper");
for (var i=0, ii=videoWrappers.length; i < ii; i++) {
var videoWrapper=videoWrappers[i];
var video = videoWrapper.querySelector('video');
videoWrapper.addEventListener("click", (function(videoWrapper, video) {
return function(e) {
if (selecting) return;
var sel = document.querySelector(".videoWrapper.selected");
if (sel){
removeClass(sel, "selected");
removeClass(document.body, "videoselected");
sel.querySelector('video').play();
}
if (sel != videoWrapper) {
var timeout = window.setTimeout(
(function(bar) {
return function() {
addClass(videoWrapper, "selected");
addClass(document.body, "videoselected");
selecting=false;
}
})(videoWrapper), sloooooow ? 1:1);
}
}
}
)(videoWrapper, video), true);
}
}, true);
</script>
//并非所有浏览器都支持elt.classList。
//(目前,仅适用于Firefox>=3.6)
//让我们来解决这个问题。
var containsClass=函数(elm,类名){
if(document.documentElement.classList){
containsClass=函数(elm,类名){
返回elm.classList.contains(className);
}
}否则{
containsClass=函数(elm,类名){
if(!elm | |!elm.className){
返回false;
}
var re=new RegExp(“(^ | \\s)”+className+”(\\s |$);
返回elm.className.match(re);
}
}
返回containsClass(elm,className);
}
var addClass=函数(elm,类名){
if(document.documentElement.classList){
addClass=函数(elm,类名){
elm.classList.add(className);
}
}否则{
addClass=函数(elm,类名){
如果(!elm){
返回false;
}
如果(!containsClass(elm,className)){
elm.className+=(elm.className?“:”)+className;
}
}
}
addClass(elm,className);
}
var removeClass=函数(elm,类名){
if(document.documentElement.classList){
removeClass=函数(elm,类名){
elm.classList.remove(className);
}
}否则{
removeClass=函数(elm,类名){
if(!elm | |!elm.className){
返回false;
}
var regexp=new regexp(“(^ |\\s)”+className+”(\\s |$),“g”);
elm.className=elm.className.replace(regexp,“$2”);
}
}
removeClass(elm,类名);
}
var-toggleClass=函数(elm,类名)
{
if(document.documentElement.classList){
toggleClass=函数(elm,类名){
返回elm.classList.toggle(className);
}
}否则{
toggleClass=函数(elm,类名){
if(包含类(elm,className))
{
removeClass(elm,类名);
返回false;
}否则{
addClass(elm,className);
返回true;
}
}
}
返回toggleClass(elm,className);
}
//好的,修好了。
var Slooooow=false;
addEventListener(“加载”,函数(){
//初始化
window.addEventListener(“按键”,功能(e){
如果(e.charCode==32){
警报(“功能”);
}
},对);
//使视频可选择
var=false;
var videoWrappers=document.queryselectoral(“.videoWrapper”);
for(变量i=0,ii=videoWrappers.length;i
您可以等待所有视频的“canplaythrough”事件,然后等待所有视频的video.play()
<script>
// elt.classList is not supported by all the browser.
// (For now, only works with Firefox >= 3.6)
// Let's fix that.
var containsClass = function (elm, className) {
if (document.documentElement.classList) {
containsClass = function (elm, className) {
return elm.classList.contains(className);
}
} else {
containsClass = function (elm, className) {
if (!elm || !elm.className) {
return false;
}
var re = new RegExp('(^|\\s)' + className + '(\\s|$)');
return elm.className.match(re);
}
}
return containsClass(elm, className);
}
var addClass = function (elm, className) {
if (document.documentElement.classList) {
addClass = function (elm, className) {
elm.classList.add(className);
}
} else {
addClass = function (elm, className) {
if (!elm) {
return false;
}
if (!containsClass(elm, className)) {
elm.className += (elm.className ? " " : "") + className;
}
}
}
addClass(elm, className);
}
var removeClass = function (elm, className) {
if (document.documentElement.classList) {
removeClass = function (elm, className) {
elm.classList.remove(className);
}
} else {
removeClass = function (elm, className) {
if (!elm || !elm.className) {
return false;
}
var regexp = new RegExp("(^|\\s)" + className + "(\\s|$)", "g");
elm.className = elm.className.replace(regexp, "$2");
}
}
removeClass(elm, className);
}
var toggleClass = function (elm, className)
{
if (document.documentElement.classList) {
toggleClass = function (elm, className) {
return elm.classList.toggle(className);
}
} else {
toggleClass = function (elm, className) {
if (containsClass(elm, className))
{
removeClass(elm, className);
return false;
} else {
addClass(elm, className);
return true;
}
}
}
return toggleClass(elm, className);
}
// OK, fixed.
var sloooooow = false;
window.addEventListener("load", function() {
// INIT
window.addEventListener("keypress", function(e) {
if (e.charCode == 32) {
alert('Funciona');
}
}, true);
// Make videos selectable
var selecting = false;
var videoWrappers=document.querySelectorAll(".videoWrapper");
for (var i=0, ii=videoWrappers.length; i < ii; i++) {
var videoWrapper=videoWrappers[i];
var video = videoWrapper.querySelector('video');
videoWrapper.addEventListener("click", (function(videoWrapper, video) {
return function(e) {
if (selecting) return;
var sel = document.querySelector(".videoWrapper.selected");
if (sel){
removeClass(sel, "selected");
removeClass(document.body, "videoselected");
sel.querySelector('video').play();
}
if (sel != videoWrapper) {
var timeout = window.setTimeout(
(function(bar) {
return function() {
addClass(videoWrapper, "selected");
addClass(document.body, "videoselected");
selecting=false;
}
})(videoWrapper), sloooooow ? 1:1);
}
}
}
)(videoWrapper, video), true);
}
}, true);
</script>