<!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <!DOCTYPE html> <html> <head> <meta charset="utf-8"/> <title>Promise test page</title> </head> <body> <script type="text/javascript"> function makePromise() { var p = returnPromise(); p.name = "p"; } function returnPromise() { return new Promise(resolve => resolve("hello")); } </script> </body> </html>