js怎样判断transition执行完毕
1个回答
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>suface js判断css动画是否结束</title>
</head>
<body>
<p>一旦动画或变换结束,回调函数就会触发。不再需要大型类库支持。<br> </p>
<style type="text/css">
.sample {
width: 200px;
height: 200px;
border: 1px solid green;
background: lightgreen;
opacity: 1;
margin-bottom: 20px;
transition-property: opacity;
/*transition-duration: .5s;*/
transition-duration:3s;
}
.sample.hide {
opacity: 0;
}
</style>
<div class="sample">css3动画过度慢慢隐藏(transition-duration:3s;)</div>
<p><button onclick="this.style.display='none';startFade();">慢慢消退,检测结束事件</button></p>
<script>
;(function() {
var e = document.getElementsByClassName('sample')[0];
function whichTransitionEvent(){
var t,
el = document.createElement('surface'),
transitions = {
'transition':'transitionend',
'OTransition':'oTransitionEnd',
'MozTransition':'transitionend',
'WebkitTransition':'webkitTransitionEnd'
}
for(t in transitions){
if( el.style[t] !== undefined ){
return transitions[t];
}
}
}
var transitionEvent = whichTransitionEvent();
transitionEvent && e.addEventListener(transitionEvent, function() {
alert('css3运动结束!我是回调函数,没有使用第三方类库!');
e. removeEventListener(transitionEvent,arguments.callee,false);//销毁事件
});
startFade = function() {
e.className+= ' hide';
}
})();
</script>
</body>
</html><br><br>//兼容性 详情
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