编辑代码:
查看结果 »
试一试 - ©
w3ii.com
<!DOCTYPE html> <html> <body> <p>Click the button to return the function that created the RegExp object's prototype.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var patt = new RegExp("Hello World", "g"); var res = patt.constructor; document.getElementById("demo").innerHTML = res; } </script> </body> </html>