显示确认框
- <!DOCTYPE html>
- <html>
- <body>
- <h1>JavaScript 确认框</h1>
- <button onclick="myFunction()">试一试</button>
- <p id="demo"></p>
- <script>
- function myFunction() {
- var txt;
- if (confirm("Press a button!")) {
- txt = "您按了确定";
- } else {
- txt = "您按了取消";
- }
- document.getElementById("demo").innerHTML = txt;
- }
- </script>
- </body>
- </html>