fmpq.com
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> </head> <body> <p> + 号运算符用于连接字符串。</p> <button onclick="myFunction()">点我</button> <p id="demo"></p> <script> function myFunction() { var text1 = "Good "; var text2 = "Morning"; text1 += text2 document.getElementById("demo").innerHTML = text1; } </script> </body> </html>
运行结果