官網地址:http://www.hatchpet.com/ 視頻需翻牆。
回复内容:
var scale = 1;
var baseHeight = 544 * scale;
var baseWidth = 602 * scale;
var eachFrame = 15;
var canvas = $('<canvas id="canvas"/>').css({
'position': 'fixed',
'zIndex': 9999,
'bottom': '0',
'overflow': 'hidden',
}).attr({
'width': baseWidth,
'height': baseHeight,
});
$('body').append(canvas);
var frameCnt = 0;
var context = canvas[0].getContext('2d');
function animate(isReset) {
if (isReset) {
frameCnt = 0;
};
// clear
context.clearRect(0, 0, baseWidth, baseHeight);
// draw stuff
context.drawImage(imageObjs[parseInt(frameCnt / eachFrame)], (frameCnt % eachFrame) * baseWidth, 0, baseWidth, baseHeight, 0, 0, baseWidth, baseHeight);
frameCnt++;
// request new frame
if (frameCnt < eachFrame * 2) {
setTimeout(animate, 1000 / 8);
} else {
animate(true);
}
}
var pic = [
'http://p1.zhimg.com/8c/fb/8cfbc0eb11019584c7ee0dccd4c8bf66_r.jpg',
'http://p1.zhimg.com/4f/3d/4f3db206b0fd094ef2fc00ece876ad30_r.jpg'
];
function preLoadImages(imgSrcList, callback) {
var imageObjs = [];
var len = imgSrcList.length;
var callbackAfter = len;
var preloadInterval = window.setInterval(function() {
if (callbackAfter === 0) {
window.clearInterval(preloadInterval);
callback();
}
}, 100);
for (var i = 0; i < len; i++) {
imageObjs[i] = new Image();
imageObjs[i].onload = function() {
callbackAfter--;
};
imageObjs[i].src = imgSrcList[i];
};
return imageObjs;
}
var imageObjs = preLoadImages(pic, function() {
animate(true);
});
弱答。HTML 源文件里发现了 id 为 licksprite, licksprite2 的两个 div。可以看到其背景图片如下,确定了和可爱的小怪兽动画有关:


var licksprite;var showingSprite=false;var playState;var playerReady=false;var shouldStart=false;var spriteTime=50.08;…
我对 js 只是非常一知半解,不过那个 spriteTime = 50.08 让人猜想,应该是检测在视频播放50.08秒后,触发网页上的 CSS sprite 动画。在 YouTube 上搜到了这个视频(http://www.youtube.com/watch?v=CMrl4krqbsc)。确实是在50s和51s秒之间,小怪物跑出来了~
至于更具体的实现方式,我就看不出来了,应该有某种机制检测视频播放时间线吧。订制在页面里的播放器,阻止了用户手动调整播放进度,这样就不需要处理太复杂的情况。
最后说一句题外话,多谢本问题,我才看到这个可爱的小彩蛋~

MicrodatainHTML5enhancesSEOanduserexperiencebyprovidingstructureddatatosearchengines.1)Useitemscope,itemtype,anditempropattributestomarkupcontentlikeproductsorevents.2)TestmicrodatawithtoolslikeGoogle'sStructuredDataTestingTool.3)ConsiderusingJSON-LD

HTML5introducesnewinputtypesthatenhanceuserexperience,simplifydevelopment,andimproveaccessibility.1)automaticallyvalidatesemailformat.2)optimizesformobilewithanumerickeypad.3)andsimplifydateandtimeinputs,reducingtheneedforcustomsolutions.

H5 is HTML5, the fifth version of HTML. HTML5 improves the expressiveness and interactivity of web pages, introduces new features such as semantic tags, multimedia support, offline storage and Canvas drawing, and promotes the development of Web technology.

Accessibility and compliance with network standards are essential to the website. 1) Accessibility ensures that all users have equal access to the website, 2) Network standards follow to improve accessibility and consistency of the website, 3) Accessibility requires the use of semantic HTML, keyboard navigation, color contrast and alternative text, 4) Following these principles is not only a moral and legal requirement, but also amplifying user base.

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The methods of building a website in HTML5 include: 1. Use semantic tags to define the web page structure, such as, , etc.; 2. Embed multimedia content, use and tags; 3. Apply advanced functions such as form verification and local storage. Through these steps, you can create a modern web page with clear structure and rich features.

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The main differences between HTML5 (H5) and older versions of HTML include: 1) H5 introduces semantic tags, 2) supports multimedia content, and 3) provides offline storage functions. H5 enhances the functionality and expressiveness of web pages through new tags and APIs, such as and tags, improving user experience and SEO effects, but need to pay attention to compatibility issues.


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