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| <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.father {
margin: 200px auto;
;
width: 200px;
height: 200px;
background-color: blueviolet;
position: relative;
}
.son {
width: 100px;
height: 100px;
background-color: brown;
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
color: white;
text-align: center;
line-height: 100px
}
</style>
</head>
<body>
<div class="father">
<div class="son">son</div>
</div>
<script>
var son = document.querySelector('.son')
son.addEventListener('click', function () {
alert('son')
}, false)
var father = son.parentNode
father.addEventListener('click', function () {
alert('father')
}, false)
document.addEventListener('click', function () {
alert('document')
})
</script>
</body>
</html>
|
