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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>循环变化的颜色</title>
<style>
width: 300px;
height: 300px;
border-radius: 300px;
background: orange;
}
</style>
</head>
<body>
<div class="wrap">
<div id="box" onclick="fun1()">
</div>
</div>
</body>
</html>
<script>
var box = document.getElementById('box')
function () {
box.style.background = 'black'
setTimeout(fun2, 500)
}
function fun2() {
box.style.background = 'green'
setTimeout(fun3, 500)
}
function fun3() {
box.style.background = 'red'
clearTimeout(setTimeout(fun2, 500))
}
</script>
|
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