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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>runoops基础编程教程(runoops.com)</title> </head> <body> <p>替换 "Microsoft" 为 "runoops" :</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","runoops"); document.getElementById("demo").innerHTML = txt; } </script> </body> </html>
运行结果：