<!DOCTYPE html> <html> <body> <h1>Window 对象</h1> <h2>confirm() 方法</h2> <p>单击该按钮可在确认框中查看换行符。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { let text = "请按按钮!\n确认或取消。"; if (confirm(text) == true) { text = "您按了确认!"; } else { text = "您按了取消!"; } document.getElementById("demo").innerHTML = text; } </script> </body> </html>