源代码:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Wfuyu教程(wfuyu.com)</title> </head> <body> <p>替换 "Microsoft" 为 "W3cSchool" :</p> <button onclick="myFunction()">点我</button> <p id="demo">请访问 Microsoft!</p> <script> function myFunction() { var str = document.getElementById("demo").innerHTML; var txt = str.replace("Microsoft","W3cSchool"); document.getElementById("demo").innerHTML = txt; } </script> </body> </html>
运行结果：