回调函数：
- onStart
- onUpdate
- onComplete
代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script src="js/jquery-1.8.3.js"></script>
<script src="js/TweenMax.min.js"></script>
<style>
* {
margin: 0px;
padding: 0px;
}
.wrapper div {
width: 50px;
height: 50px;
margin-bottom: 20px;
background-color: blue;
}
</style>
</head>
<body>
<div class="wrapper">
<div></div>
<div></div>
<div></div>
</div>
<button id="btn">按钮</button>
<script>
var TweenMax = new TimelineMax() // 必须创建对象
$("#btn").click(() => {
TweenMax.staggerTo(".wrapper div", 1, {
x: 400,
onStart: function () {
console.log("运动开始")
},
onUpdate: function () {
console.log("运动中")
},
onComplete: function () {
console.log("运动结束")
console.log(this.target) // 谁完成就是谁
this.target.style.background = "red"
}
}, 1)
})
</script>
</body>
</html>
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