<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>输出用户信息</title>
</head><body><script>let uname = prompt('请输入您的姓名')let age = prompt('请输入您的年龄')let gender = prompt('请输入您的性别')document.writeln(uname, age, gender)</script>
</body></html>