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[英]Problems with CSS3 animations and animations following a javascript class switch
[英]Memory problems with JavaScript + CSS3 animations. How to improve?
我創建了一個動畫循環。 一旦一個動畫完成,它就會觸發下一個動畫,依此類推。 似乎當我保持瀏覽器打開 1-2 分鍾時,它開始變慢並消耗越來越多的資源,直到我的瀏覽器響應緩慢並且動畫幾乎不再運行。 我怎樣才能防止這種情況發生? 這是我的代碼:
<!DOCTYPE html>
<html>
<head>
<title></title>
<style type="text/css">
html, body {
margin: 0;
}
.shared {
position: absolute;
opacity: 0;
}
img#article-02 {
top: 0;
left: 0;
width: 205px;
height: 205px;
}
img#article-03 {
top: 227px;
left: 0;
width: 205px;
height: 205px;
}
img#article-04 {
top: 318px;
left: 227px;
width: 431px;
height: 114px;
}
@-webkit-keyframes article2 {
0% {opacity: 0;}
10% {opacity: 1;}
60% {opacity: 1;}
70% {opacity: 0;}
100% {opacity: 0;}
}
@-webkit-keyframes article3 {
0% {opacity: 0;}
20% {opacity: 1;}
70% {opacity: 1;}
80% {opacity: 0;}
100% {opacity: 0;}
}
@-webkit-keyframes article4 {
0% {opacity: 0;}
30% {opacity: 1;}
80% {opacity: 1;}
90% {opacity: 0;}
100% {opacity: 0;}
}
</style>
<script type="text/javascript" src="jquery-1.7.2.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
animArticle02();
});
function animArticle02() {
$("#article-02").css('-webkit-animation', 'article2 2s linear');
var $element = $("#article-02").bind("webkitAnimationEnd", function(){
this.style.webkitAnimationName = "";
animArticle03();
});
}
function animArticle03() {
$("#article-03").css('-webkit-animation', 'article3 2s linear');
var $element = $("#article-03").bind("webkitAnimationEnd", function(){
this.style.webkitAnimationName = "";
animArticle04();
});
}
function animArticle04() {
$("#article-04").css('-webkit-animation', 'article4 2s linear');
var $element = $("#article-04").bind("webkitAnimationEnd", function(){
this.style.webkitAnimationName = "";
animArticle02();
});
}
</script>
</head>
<body>
<img id="article-02" class="shared" src="article-02.png" alt="" />
<img id="article-03" class="shared" src="article-03.png" alt="" />
<img id="article-04" class="shared" src="article-04.png" alt="" />
</body>
</html>
它可能與重復綁定和jQuery調用有關。 試試這個腳本:
//shorthand .ready()
$(function() {
//cache elements
var ar2 = $("#article-02"),
ar3 = $("#article-03"),
ar4 = $("#article-04");
//bind once
ar2.bind("webkitAnimationEnd", function() {
this.style.webkitAnimationName = "";
animArticle03();
});
ar3.bind("webkitAnimationEnd", function() {
this.style.webkitAnimationName = "";
animArticle04();
});
ar4.bind("webkitAnimationEnd", function() {
this.style.webkitAnimationName = "";
animArticle02();
});
//animate
function animArticle02() {
ar2.css('-webkit-animation', 'article2 2s linear');
}
function animArticle03() {
ar3.css('-webkit-animation', 'article3 2s linear');
}
function animArticle04() {
ar4.css('-webkit-animation', 'article4 2s linear');
}
animArticle02();
});
"transition" 和 "-webkit-keyframes" 都會導致 Chrome 上的內存泄漏。
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