Open david2tdw opened 3 years ago
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="utf-8" />
<title>Javascript</title>
<style>
body {
margin: 0;
padding: 0;
background: #ccc;
font-size: 12px;
overflow: auto;
}
.main {
height: 900px;
background-color: orange;
}
</style>
</head>
<body>
<div class="main">
</div>
<script>
window.onload = function () {
window.addEventListener('scroll', function () {
console.log(document.documentElement.scrollTop, document.body.scrollTop)
})
}
</script>
</body>
</html>
未声明DTD:
<!-- <!DOCTYPE html> -->
<html lang="zh-cn">
<head>
<meta charset="utf-8" />
<title>Javascript</title>
<style>
body {
margin: 0;
padding: 0;
background: #ccc;
font-size: 12px;
overflow: auto;
}
.main {
height: 900px;
background-color: orange;
}
</style>
</head>
<body>
<div class="main">
</div>
<script>
window.onload = function () {
window.addEventListener('scroll', function () {
console.log(document.documentElement.scrollTop, document.body.scrollTop)
})
}
</script>
</body>
</html>
document.documentElement与document.body
这两个属性主要是和html 的DTD有关
兼容性写法
漫谈document.documentElement与document.body