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 id="demo">单击显示查找的位置</p> <button onclick="myFunction()">点我</button> <script> function myFunction(){ var str="Mr. Blue has a blue house" var n=str.search(/blue/i); document.getElementById("demo").innerHTML=n; } </script> </body> </html>
运行结果