<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body onload="alert('页面刷新了！');">
<button onclick="tom()">刷新</button>
<script>
function tom() {
window.location.reload();
}
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body onload="alert('页面刷新了！');">
<button onclick="tom()">刷新</button>
<script>
function tom() {
window.location.reload();
}
</script>
</body>
</html>