fmpq.com
源代码：
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> </head> <body> <p>该实例使用 addEventListener() 方法来向按钮添加点击事件。</p> <button id="myBtn">点我</button> <p id="demo"></p> <script> document.getElementById("myBtn").addEventListener("click", function() { document.getElementById("demo").innerHTML = "Hello World"; }); </script> </body> </html>
运行结果